Initial revision

1 files changed, 1534 insertions, 0 deletions

diff --git a/bfd/bout.c b/bfd/bout.c
new file mode 100644
index 00000000000..4ef10f52057
--- /dev/null
+++ b/bfd/bout.c
@@ -0,0 +1,1534 @@
+/* BFD back-end for Intel 960 b.out binaries.
+   Copyright 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+   Written by Cygnus Support.
+
+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.  */
+
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "bfdlink.h"
+#include "genlink.h"
+#include "bout.h"
+
+#include "aout/stab_gnu.h"
+#include "libaout.h"		/* BFD a.out internal data structures */
+
+
+static int aligncode PARAMS ((bfd *abfd, asection *input_section,
+			      arelent *r, unsigned int shrink));
+static void perform_slip PARAMS ((bfd *abfd, unsigned int slip,
+				  asection *input_section, bfd_vma value));
+static boolean b_out_squirt_out_relocs PARAMS ((bfd *abfd, asection *section));
+static const bfd_target *b_out_callback PARAMS ((bfd *));
+static bfd_reloc_status_type calljx_callback
+  PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR src, PTR dst,
+	   asection *));
+static bfd_reloc_status_type callj_callback
+  PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR data,
+	   unsigned int srcidx, unsigned int dstidx, asection *, boolean));
+static bfd_vma get_value PARAMS ((arelent *, struct bfd_link_info *,
+				  asection *));
+static int abs32code PARAMS ((bfd *, asection *, arelent *,
+			      unsigned int, struct bfd_link_info *));
+static boolean b_out_bfd_relax_section PARAMS ((bfd *, asection *,
+						struct bfd_link_info *,
+						boolean *));
+static bfd_byte *b_out_bfd_get_relocated_section_contents
+  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
+	   bfd_byte *, boolean, asymbol **));
+
+/* Swaps the information in an executable header taken from a raw byte
+   stream memory image, into the internal exec_header structure.  */
+
+void
+bout_swap_exec_header_in (abfd, raw_bytes, execp)
+     bfd *abfd;
+     struct external_exec *raw_bytes;
+     struct internal_exec *execp;
+{
+  struct external_exec *bytes = (struct external_exec *)raw_bytes;
+
+  /* Now fill in fields in the execp, from the bytes in the raw data.  */
+  execp->a_info   = bfd_h_get_32 (abfd, bytes->e_info);
+  execp->a_text   = GET_WORD (abfd, bytes->e_text);
+  execp->a_data   = GET_WORD (abfd, bytes->e_data);
+  execp->a_bss    = GET_WORD (abfd, bytes->e_bss);
+  execp->a_syms   = GET_WORD (abfd, bytes->e_syms);
+  execp->a_entry  = GET_WORD (abfd, bytes->e_entry);
+  execp->a_trsize = GET_WORD (abfd, bytes->e_trsize);
+  execp->a_drsize = GET_WORD (abfd, bytes->e_drsize);
+  execp->a_tload  = GET_WORD (abfd, bytes->e_tload);
+  execp->a_dload  = GET_WORD (abfd, bytes->e_dload);
+  execp->a_talign = bytes->e_talign[0];
+  execp->a_dalign = bytes->e_dalign[0];
+  execp->a_balign = bytes->e_balign[0];
+  execp->a_relaxable = bytes->e_relaxable[0];
+}
+
+/* Swaps the information in an internal exec header structure into the
+   supplied buffer ready for writing to disk.  */
+
+PROTO(void, bout_swap_exec_header_out,
+	  (bfd *abfd,
+	   struct internal_exec *execp,
+	   struct external_exec *raw_bytes));
+void
+bout_swap_exec_header_out (abfd, execp, raw_bytes)
+     bfd *abfd;
+     struct internal_exec *execp;
+     struct external_exec *raw_bytes;
+{
+  struct external_exec *bytes = (struct external_exec *)raw_bytes;
+
+  /* Now fill in fields in the raw data, from the fields in the exec struct. */
+  bfd_h_put_32 (abfd, execp->a_info  , bytes->e_info);
+  PUT_WORD (abfd, execp->a_text  , bytes->e_text);
+  PUT_WORD (abfd, execp->a_data  , bytes->e_data);
+  PUT_WORD (abfd, execp->a_bss   , bytes->e_bss);
+  PUT_WORD (abfd, execp->a_syms  , bytes->e_syms);
+  PUT_WORD (abfd, execp->a_entry , bytes->e_entry);
+  PUT_WORD (abfd, execp->a_trsize, bytes->e_trsize);
+  PUT_WORD (abfd, execp->a_drsize, bytes->e_drsize);
+  PUT_WORD (abfd, execp->a_tload , bytes->e_tload);
+  PUT_WORD (abfd, execp->a_dload , bytes->e_dload);
+  bytes->e_talign[0] = execp->a_talign;
+  bytes->e_dalign[0] = execp->a_dalign;
+  bytes->e_balign[0] = execp->a_balign;
+  bytes->e_relaxable[0] = execp->a_relaxable;
+}
+
+
+static const bfd_target *
+b_out_object_p (abfd)
+     bfd *abfd;
+{
+  struct internal_exec anexec;
+  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;
+  }
+
+  anexec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info);
+
+  if (N_BADMAG (anexec)) {
+    bfd_set_error (bfd_error_wrong_format);
+    return 0;
+  }
+
+  bout_swap_exec_header_in (abfd, &exec_bytes, &anexec);
+  return aout_32_some_aout_object_p (abfd, &anexec, 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 const bfd_target *
+b_out_callback (abfd)
+     bfd *abfd;
+{
+  struct internal_exec *execp = exec_hdr (abfd);
+  unsigned long bss_start;
+
+  /* Architecture and machine type */
+  bfd_set_arch_mach(abfd,
+		    bfd_arch_i960, /* B.out only used on i960 */
+		    bfd_mach_i960_core /* Default */
+		    );
+
+  /* The positions of the string table and symbol table.  */
+  obj_str_filepos (abfd) = N_STROFF (*execp);
+  obj_sym_filepos (abfd) = N_SYMOFF (*execp);
+
+  /* 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 = execp->a_tload;
+  obj_datasec (abfd)->vma = execp->a_dload;
+
+  obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
+  obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
+
+  /* And reload the sizes, since the aout module zaps them */
+  obj_textsec (abfd)->_raw_size = execp->a_text;
+
+  bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section */
+  obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign);
+
+  obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
+
+  /* The file positions of the sections */
+  obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
+  obj_datasec (abfd)->filepos = N_DATOFF(*execp);
+
+  /* The file positions of the relocation info */
+  obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
+  obj_datasec (abfd)->rel_filepos =  N_DROFF(*execp);
+
+  adata(abfd).page_size = 1;	/* Not applicable. */
+  adata(abfd).segment_size = 1; /* Not applicable. */
+  adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
+
+  if (execp->a_relaxable)
+   abfd->flags |= BFD_IS_RELAXABLE;
+  return abfd->xvec;
+}
+
+struct bout_data_struct {
+    struct aoutdata a;
+    struct internal_exec e;
+};
+
+static boolean
+b_out_mkobject (abfd)
+     bfd *abfd;
+{
+  struct bout_data_struct *rawptr;
+
+  rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
+  if (rawptr == NULL)
+    return false;
+
+  abfd->tdata.bout_data = rawptr;
+  exec_hdr (abfd) = &rawptr->e;
+
+  obj_textsec (abfd) = (asection *)NULL;
+  obj_datasec (abfd) = (asection *)NULL;
+  obj_bsssec (abfd) = (asection *)NULL;
+
+  return true;
+}
+
+static int
+b_out_symbol_cmp (a, b)
+     struct aout_symbol **a, **b;
+{
+  asection *sec;
+  bfd_vma av, bv;
+
+  /* Primary key is address */
+  sec = bfd_get_section (&(*a)->symbol);
+  av = sec->output_section->vma + sec->output_offset + (*a)->symbol.value;
+  sec = bfd_get_section (&(*b)->symbol);
+  bv = sec->output_section->vma + sec->output_offset + (*b)->symbol.value;
+
+  if (av < bv)
+    return -1;
+  if (av > bv)
+    return 1;
+
+  /* Secondary key puts CALLNAME syms last and BALNAME syms first, so
+     that they have the best chance of being contiguous.  */
+  if (IS_BALNAME ((*a)->other) || IS_CALLNAME ((*b)->other))
+    return -1;
+  if (IS_CALLNAME ((*a)->other) || IS_BALNAME ((*b)->other))
+    return 1;
+
+  return 0;
+}
+
+static boolean
+b_out_write_object_contents (abfd)
+     bfd *abfd;
+{
+  struct external_exec swapped_hdr;
+
+  if (! aout_32_make_sections (abfd))
+    return false;
+
+  exec_hdr (abfd)->a_info = BMAGIC;
+
+  exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size;
+  exec_hdr (abfd)->a_data = obj_datasec (abfd)->_raw_size;
+  exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->_raw_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;
+
+  bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);
+
+  if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
+      || (bfd_write ((PTR) &swapped_hdr, 1, EXEC_BYTES_SIZE, abfd)
+	  != EXEC_BYTES_SIZE))
+    return false;
+
+  /* Now write out reloc info, followed by syms and strings */
+  if (bfd_get_symcount (abfd) != 0)
+    {
+      /* Make sure {CALL,BAL}NAME symbols remain adjacent on output
+	 by sorting.  This is complicated by the fact that stabs are
+	 also ordered.  Solve this by shifting all stabs to the end
+	 in order, then sorting the rest.  */
+
+      asymbol **outsyms, **p, **q;
+
+      outsyms = bfd_get_outsymbols (abfd);
+      p = outsyms + bfd_get_symcount (abfd);
+
+      for (q = p--; p >= outsyms; p--)
+	{
+	  if ((*p)->flags & BSF_DEBUGGING)
+	    {
+	      asymbol *t = *--q;
+	      *q = *p;
+	      *p = t;
+	    }
+	}
+
+      if (q > outsyms)
+	qsort (outsyms, q - outsyms, sizeof(asymbol*), b_out_symbol_cmp);
+
+      /* Back to your regularly scheduled program.  */
+
+      if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET)
+	  != 0)
+	return false;
+
+      if (! aout_32_write_syms (abfd))
+	return false;
+
+      if (bfd_seek (abfd, (file_ptr)(N_TROFF(*exec_hdr(abfd))), SEEK_SET) != 0)
+	return false;
+
+      if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
+      if (bfd_seek (abfd, (file_ptr)(N_DROFF(*exec_hdr(abfd))), SEEK_SET)
+	  != 0)
+	return false;
+
+      if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
+    }
+  return true;
+}
+
+/** Some reloc hackery */
+
+#define CALLS	  0x66003800	/* Template for 'calls' instruction	*/
+#define BAL	  0x0b000000	/* Template for 'bal' instruction */
+#define BAL_MASK  0x00ffffff
+#define BALX	  0x85f00000	/* Template for 'balx' instruction	*/
+#define BALX_MASK 0x0007ffff
+#define CALL      0x09000000
+#define PCREL13_MASK 0x1fff
+
+
+#define output_addr(sec) ((sec)->output_offset+(sec)->output_section->vma)
+
+/* Magic to turn callx into calljx */
+static bfd_reloc_status_type
+calljx_callback (abfd, link_info, reloc_entry, src, dst, input_section)
+     bfd *abfd;
+     struct bfd_link_info *link_info;
+     arelent *reloc_entry;
+     PTR src;
+     PTR dst;
+     asection *input_section;
+{
+  int word = bfd_get_32 (abfd, src);
+  asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
+  aout_symbol_type *symbol = aout_symbol (symbol_in);
+  bfd_vma value;
+
+  value = get_value (reloc_entry, link_info, input_section);
+
+  if (IS_CALLNAME (symbol->other))
+    {
+      aout_symbol_type *balsym = symbol+1;
+      int inst = bfd_get_32 (abfd, (bfd_byte *) src-4);
+      /* The next symbol should be an N_BALNAME */
+      BFD_ASSERT (IS_BALNAME (balsym->other));
+      inst &= BALX_MASK;
+      inst |= BALX;
+      bfd_put_32 (abfd, inst, (bfd_byte *) dst-4);
+      symbol = balsym;
+      value = (symbol->symbol.value
+	       + output_addr (symbol->symbol.section));
+    }
+
+  word += value + reloc_entry->addend;
+
+  bfd_put_32(abfd, word, dst);
+  return bfd_reloc_ok;
+}
+
+
+/* Magic to turn call into callj */
+static bfd_reloc_status_type
+callj_callback (abfd, link_info, reloc_entry,  data, srcidx, dstidx,
+		input_section, shrinking)
+     bfd *abfd;
+     struct bfd_link_info *link_info;
+     arelent *reloc_entry;
+     PTR data;
+     unsigned int srcidx;
+     unsigned int dstidx;
+     asection *input_section;
+     boolean shrinking;
+{
+  int word = bfd_get_32 (abfd, (bfd_byte *) data + srcidx);
+  asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
+  aout_symbol_type *symbol = aout_symbol (symbol_in);
+  bfd_vma value;
+
+  value = get_value (reloc_entry, link_info, input_section);
+
+  if (IS_OTHER(symbol->other))
+    {
+      /* Call to a system procedure - replace code with system
+	 procedure number.  */
+      word = CALLS | (symbol->other - 1);
+    }
+  else 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
+		     + output_addr (balsym->symbol.section)
+		     + balsym->symbol.value + reloc_entry->addend
+		     - dstidx
+		     - output_addr (input_section))
+		    & BAL_MASK);
+    }
+  else if ((symbol->symbol.flags & BSF_SECTION_SYM) != 0)
+    {
+      /* A callj against a symbol in the same section is a fully
+         resolved relative call.  We don't need to do anything here.
+         If the symbol is not in the same section, I'm not sure what
+         to do; fortunately, this case will probably never arise.  */
+      BFD_ASSERT (! shrinking);
+      BFD_ASSERT (symbol->symbol.section == input_section);
+    }
+  else
+    {
+      word = CALL | (((word & BAL_MASK)
+		      + value
+		      + reloc_entry->addend
+		      - (shrinking ? dstidx : 0)
+		      - output_addr (input_section))
+		     & BAL_MASK);
+    }
+  bfd_put_32(abfd, word, (bfd_byte *) data + dstidx);
+  return bfd_reloc_ok;
+}
+
+/* type rshift size  bitsize  	pcrel	bitpos  absolute overflow check*/
+
+#define ABS32CODE 0
+#define ABS32CODE_SHRUNK 1
+#define PCREL24 2
+#define CALLJ 3
+#define ABS32 4
+#define PCREL13 5
+#define ABS32_MAYBE_RELAXABLE 1
+#define ABS32_WAS_RELAXABLE 2
+
+#define ALIGNER 10
+#define ALIGNDONE 11
+static reloc_howto_type howto_reloc_callj =
+HOWTO(CALLJ, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callj", true, 0x00ffffff, 0x00ffffff,false);
+static  reloc_howto_type howto_reloc_abs32 =
+HOWTO(ABS32, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"abs32", true, 0xffffffff,0xffffffff,false);
+static reloc_howto_type howto_reloc_pcrel24 =
+HOWTO(PCREL24, 0, 2, 24, true, 0, complain_overflow_signed,0,"pcrel24", true, 0x00ffffff,0x00ffffff,false);
+
+static reloc_howto_type howto_reloc_pcrel13 =
+HOWTO(PCREL13, 0, 2, 13, true, 0, complain_overflow_signed,0,"pcrel13", true, 0x00001fff,0x00001fff,false);
+
+
+static reloc_howto_type howto_reloc_abs32codeshrunk =
+HOWTO(ABS32CODE_SHRUNK, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callx->callj", true, 0x00ffffff, 0x00ffffff,false);
+
+static  reloc_howto_type howto_reloc_abs32code =
+HOWTO(ABS32CODE, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"callx", true, 0xffffffff,0xffffffff,false);
+
+static reloc_howto_type howto_align_table[] = {
+  HOWTO (ALIGNER, 0, 0x1, 0, false, 0, complain_overflow_dont, 0, "align16", false, 0, 0, false),
+  HOWTO (ALIGNER, 0, 0x3, 0, false, 0, complain_overflow_dont, 0, "align32", false, 0, 0, false),
+  HOWTO (ALIGNER, 0, 0x7, 0, false, 0, complain_overflow_dont, 0, "align64", false, 0, 0, false),
+  HOWTO (ALIGNER, 0, 0xf, 0, false, 0, complain_overflow_dont, 0, "align128", false, 0, 0, false),
+};
+
+static reloc_howto_type howto_done_align_table[] = {
+  HOWTO (ALIGNDONE, 0x1, 0x1, 0, false, 0, complain_overflow_dont, 0, "donealign16", false, 0, 0, false),
+  HOWTO (ALIGNDONE, 0x3, 0x3, 0, false, 0, complain_overflow_dont, 0, "donealign32", false, 0, 0, false),
+  HOWTO (ALIGNDONE, 0x7, 0x7, 0, false, 0, complain_overflow_dont, 0, "donealign64", false, 0, 0, false),
+  HOWTO (ALIGNDONE, 0xf, 0xf, 0, false, 0, complain_overflow_dont, 0, "donealign128", false, 0, 0, false),
+};
+
+static reloc_howto_type *
+b_out_bfd_reloc_type_lookup (abfd, code)
+     bfd *abfd;
+     bfd_reloc_code_real_type code;
+{
+  switch (code)
+    {
+    default:
+      return 0;
+    case BFD_RELOC_I960_CALLJ:
+      return &howto_reloc_callj;
+    case BFD_RELOC_32:
+    case BFD_RELOC_CTOR:
+      return &howto_reloc_abs32;
+    case BFD_RELOC_24_PCREL:
+      return &howto_reloc_pcrel24;
+    }
+}
+
+/* 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;
+{
+  register struct relocation_info *rptr;
+  unsigned int counter ;
+  arelent *cache_ptr ;
+  int extern_mask, pcrel_mask, callj_mask, length_shift;
+  int incode_mask;
+  int size_mask;
+  bfd_vma prev_addr = 0;
+  unsigned int count;
+  size_t  reloc_size;
+  struct relocation_info *relocs;
+  arelent *reloc_cache;
+
+  if (asect->relocation)
+    return true;
+  if (!aout_32_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;
+  }
+
+  if (asect == obj_bsssec (abfd)) {
+    reloc_size = 0;
+    goto doit;
+  }
+
+  bfd_set_error (bfd_error_invalid_operation);
+  return false;
+
+ doit:
+  if (bfd_seek (abfd, (file_ptr)(asect->rel_filepos),  SEEK_SET) != 0)
+    return false;
+  count = reloc_size / sizeof (struct relocation_info);
+
+  relocs = (struct relocation_info *) bfd_malloc (reloc_size);
+  if (!relocs && reloc_size != 0)
+    return false;
+  reloc_cache = (arelent *) bfd_malloc ((count+1) * sizeof (arelent));
+  if (!reloc_cache) {
+    if (relocs != NULL)
+      free ((char*)relocs);
+    return false;
+  }
+
+  if (bfd_read ((PTR) relocs, 1, reloc_size, abfd) != reloc_size) {
+    free (reloc_cache);
+    if (relocs != NULL)
+      free (relocs);
+    return false;
+  }
+
+
+
+  if (bfd_header_big_endian (abfd)) {
+    /* big-endian bit field allocation order */
+    pcrel_mask  = 0x80;
+    extern_mask = 0x10;
+    incode_mask = 0x08;
+    callj_mask  = 0x02;
+    size_mask =   0x20;
+    length_shift = 5;
+  } else {
+    /* little-endian bit field allocation order */
+    pcrel_mask  = 0x01;
+    extern_mask = 0x08;
+    incode_mask = 0x10;
+    callj_mask  = 0x40;
+    size_mask   = 0x02;
+    length_shift = 1;
+  }
+
+  for (rptr = relocs, cache_ptr = reloc_cache, counter = 0;
+       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);
+    cache_ptr->howto = 0;
+    if (bfd_header_big_endian (abfd))
+    {
+      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;
+    } 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 */
+      int s;
+      {
+	/* sign-extend symnum from 24 bits to whatever host uses */
+	s = symnum;
+	if (s & (1 << 23))
+	  s |= (~0) << 24;
+      }
+      cache_ptr->sym_ptr_ptr = (asymbol **)NULL;
+      switch (s)
+      {
+       case N_TEXT:
+       case N_TEXT | N_EXT:
+	cache_ptr->sym_ptr_ptr = obj_textsec(abfd)->symbol_ptr_ptr;
+	cache_ptr->addend = - obj_textsec(abfd)->vma;
+	break;
+       case N_DATA:
+       case N_DATA | N_EXT:
+	cache_ptr->sym_ptr_ptr = obj_datasec(abfd)->symbol_ptr_ptr;
+	cache_ptr->addend = - obj_datasec(abfd)->vma;
+	break;
+       case N_BSS:
+       case N_BSS | N_EXT:
+	cache_ptr->sym_ptr_ptr = obj_bsssec(abfd)->symbol_ptr_ptr;
+	cache_ptr->addend =  - obj_bsssec(abfd)->vma;
+	break;
+       case N_ABS:
+       case N_ABS | N_EXT:
+	cache_ptr->sym_ptr_ptr = obj_bsssec(abfd)->symbol_ptr_ptr;
+	cache_ptr->addend = 0;
+	break;
+      case -2: /* .align */
+	if (raw[7] & pcrel_mask)
+	  {
+	    cache_ptr->howto = &howto_align_table[(raw[7] >> length_shift) & 3];
+	    cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+	  }
+	else
+	  {
+	    /* .org? */
+	    abort ();
+	  }
+	cache_ptr->addend = 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 (cache_ptr->howto != 0)
+      ;
+    else if (raw[7] & callj_mask)
+    {
+      cache_ptr->howto = &howto_reloc_callj;
+    }
+    else if ( raw[7] & pcrel_mask)
+    {
+      if (raw[7] & size_mask)
+       cache_ptr->howto = &howto_reloc_pcrel13;
+      else
+       cache_ptr->howto = &howto_reloc_pcrel24;
+    }
+    else
+    {
+      if (raw[7] & incode_mask)
+      {
+	cache_ptr->howto = &howto_reloc_abs32code;
+      }
+      else
+      {
+	cache_ptr->howto = &howto_reloc_abs32;
+      }
+    }
+    if (cache_ptr->address < prev_addr)
+    {
+      /* Ouch! this reloc is out of order, insert into the right place
+       */
+      arelent tmp;
+      arelent *cursor = cache_ptr-1;
+      bfd_vma stop = cache_ptr->address;
+      tmp  = *cache_ptr;
+      while (cursor->address > stop && cursor >= reloc_cache)
+      {
+	cursor[1] = cursor[0];
+	cursor--;
+      }
+      cursor[1] = tmp;
+    }
+    else
+    {
+      prev_addr = cache_ptr->address;
+    }
+  }
+
+
+  if (relocs != NULL)
+    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;
+  int r_extern = 0;
+  int r_idx;
+  int incode_mask;
+  int len_1;
+  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 *) bfd_malloc (natsize));
+  if (!native && natsize != 0)
+    return false;
+
+  if (bfd_header_big_endian (abfd))
+  {
+    /* Big-endian bit field allocation order */
+    pcrel_mask  = 0x80;
+    extern_mask = 0x10;
+    len_2       = 0x40;
+    len_1       = 0x20;
+    callj_mask  = 0x02;
+    incode_mask = 0x08;
+  }
+  else
+  {
+    /* Little-endian bit field allocation order */
+    pcrel_mask  = 0x01;
+    extern_mask = 0x08;
+    len_2       = 0x04;
+    len_1       = 0x02;
+    callj_mask  = 0x40;
+    incode_mask = 0x10;
+  }
+
+  for (natptr = native; count > 0; --count, ++natptr, ++generic)
+  {
+    arelent *g = *generic;
+    unsigned char *raw = (unsigned char *)natptr;
+    asymbol *sym = *(g->sym_ptr_ptr);
+
+    asection *output_section = sym->section->output_section;
+
+    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!!
+     */
+    r_idx = 0;
+    /* 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 if (g->howto == &howto_reloc_pcrel13)
+    {
+      raw[7] = pcrel_mask + len_1;
+    }
+    else if (g->howto == &howto_reloc_abs32code)
+    {
+      raw[7] = len_2 + incode_mask;
+    }
+    else if (g->howto >= howto_align_table
+	     && g->howto <= (howto_align_table
+			    + sizeof (howto_align_table) / sizeof (howto_align_table[0])
+			    - 1))
+      {
+	/* symnum == -2; extern_mask not set, pcrel_mask set */
+	r_idx = -2;
+	r_extern = 0;
+	raw[7] = (pcrel_mask
+		  | ((g->howto - howto_align_table) << 1));
+      }
+    else {
+      raw[7] = len_2;
+    }
+
+    if (r_idx != 0)
+      /* already mucked with r_extern, r_idx */;
+    else if (bfd_is_com_section (output_section)
+	     || bfd_is_abs_section (output_section)
+	     || bfd_is_und_section (output_section))
+    {
+
+      if (bfd_abs_section_ptr->symbol == sym)
+      {
+	/* Whoops, looked like an abs symbol, but is really an offset
+	   from the abs section */
+	r_idx = 0;
+	r_extern = 0;
+       }
+      else
+      {
+	/* Fill in symbol */
+
+	r_extern = 1;
+	r_idx = (*g->sym_ptr_ptr)->udata.i;
+      }
+    }
+    else
+    {
+      /* Just an ordinary section */
+      r_extern = 0;
+      r_idx  = output_section->target_index;
+    }
+
+    if (bfd_header_big_endian (abfd)) {
+      raw[4] = (unsigned char) (r_idx >> 16);
+      raw[5] = (unsigned char) (r_idx >>  8);
+      raw[6] = (unsigned char) (r_idx     );
+    } else {
+      raw[6] = (unsigned char) (r_idx >> 16);
+      raw[5] = (unsigned char) (r_idx>>  8);
+      raw[4] = (unsigned char) (r_idx     );
+    }
+    if (r_extern)
+     raw[7] |= extern_mask;
+  }
+
+  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 long
+b_out_canonicalize_reloc (abfd, section, relptr, symbols)
+     bfd *abfd;
+     sec_ptr section;
+     arelent **relptr;
+     asymbol **symbols;
+{
+  arelent *tblptr;
+  unsigned int count;
+
+  if ((section->flags & SEC_CONSTRUCTOR) != 0)
+    {
+      arelent_chain *chain = section->constructor_chain;
+      for (count = 0; count < section->reloc_count; count++)
+	{
+	  *relptr++ = &chain->relent;
+	  chain = chain->next;
+	}
+    }
+  else
+    {
+      if (section->relocation == NULL
+	  && ! b_out_slurp_reloc_table (abfd, section, symbols))
+	return -1;
+
+      tblptr = section->relocation;
+      for (count = 0; count++ < section->reloc_count;)
+	*relptr++ = tblptr++;
+    }
+
+  *relptr = NULL;
+
+  return section->reloc_count;
+}
+
+static long
+b_out_get_reloc_upper_bound (abfd, asect)
+     bfd *abfd;
+     sec_ptr asect;
+{
+  if (bfd_get_format (abfd) != bfd_object) {
+    bfd_set_error (bfd_error_invalid_operation);
+    return -1;
+  }
+
+  if (asect->flags & SEC_CONSTRUCTOR)
+    return sizeof (arelent *) * (asect->reloc_count + 1);
+
+  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));
+
+  if (asect == obj_bsssec (abfd))
+    return 0;
+
+  bfd_set_error (bfd_error_invalid_operation);
+  return -1;
+}
+
+static boolean
+b_out_set_section_contents (abfd, section, location, offset, count)
+     bfd *abfd;
+     asection *section;
+     PTR location;
+     file_ptr offset;
+     bfd_size_type count;
+{
+
+  if (abfd->output_has_begun == false) { /* set by bfd.c handler */
+    if (! aout_32_make_sections (abfd))
+      return false;
+
+    obj_textsec (abfd)->filepos = sizeof(struct internal_exec);
+    obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos
+                                 +  obj_textsec (abfd)->_raw_size;
+
+  }
+  /* regardless, once we know what we're doing, we might as well get going */
+  if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
+    return false;
+
+  if (count != 0) {
+    return (bfd_write ((PTR)location, 1, count, abfd) == count) ?true:false;
+  }
+  return true;
+}
+
+static boolean
+b_out_set_arch_mach (abfd, arch, machine)
+     bfd *abfd;
+     enum bfd_architecture arch;
+     unsigned long machine;
+{
+  bfd_default_set_arch_mach(abfd, arch, 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:
+    case bfd_mach_i960_jx:
+    case bfd_mach_i960_hx:
+    case 0:
+      return true;
+    default:
+      return false;
+    }
+
+  return false;
+}
+
+static int
+b_out_sizeof_headers (ignore_abfd, ignore)
+     bfd *ignore_abfd;
+     boolean ignore;
+{
+  return sizeof(struct internal_exec);
+}
+
+
+
+/************************************************************************/
+static bfd_vma
+get_value (reloc, link_info, input_section)
+     arelent *reloc;
+     struct bfd_link_info *link_info;
+     asection *input_section;
+{
+  bfd_vma value;
+  asymbol *symbol = *(reloc->sym_ptr_ptr);
+
+  /* A symbol holds a pointer to a section, and an offset from the
+     base of the section.  To relocate, we find where the section will
+     live in the output and add that in */
+
+  if (bfd_is_und_section (symbol->section))
+    {
+      struct bfd_link_hash_entry *h;
+
+      /* The symbol is undefined in this BFD.  Look it up in the
+	 global linker hash table.  FIXME: This should be changed when
+	 we convert b.out to use a specific final_link function and
+	 change the interface to bfd_relax_section to not require the
+	 generic symbols.  */
+      h = bfd_wrapped_link_hash_lookup (input_section->owner, link_info,
+					bfd_asymbol_name (symbol),
+					false, false, true);
+      if (h != (struct bfd_link_hash_entry *) NULL
+	  && (h->type == bfd_link_hash_defined
+	      || h->type == bfd_link_hash_defweak))
+	value = h->u.def.value + output_addr (h->u.def.section);
+      else if (h != (struct bfd_link_hash_entry *) NULL
+	       && h->type == bfd_link_hash_common)
+	value = h->u.c.size;
+      else
+	{
+	  if (! ((*link_info->callbacks->undefined_symbol)
+		 (link_info, bfd_asymbol_name (symbol),
+		  input_section->owner, input_section, reloc->address)))
+	    abort ();
+	  value = 0;
+	}
+    }
+  else
+    {
+      value = symbol->value + output_addr (symbol->section);
+    }
+
+  /* Add the value contained in the relocation */
+  value += reloc->addend;
+
+  return value;
+}
+
+static void
+perform_slip (abfd, slip, input_section, value)
+     bfd *abfd;
+     unsigned int slip;
+     asection *input_section;
+     bfd_vma value;
+{
+  asymbol **s;
+
+  s = _bfd_generic_link_get_symbols (abfd);
+  BFD_ASSERT (s != (asymbol **) NULL);
+
+  /* Find all symbols past this point, and make them know
+     what's happened */
+  while (*s)
+  {
+    asymbol *p = *s;
+    if (p->section == input_section)
+    {
+      /* This was pointing into this section, so mangle it */
+      if (p->value > value)
+      {
+	p->value -=slip;
+	if (p->udata.p != NULL)
+	  {
+	    struct generic_link_hash_entry *h;
+
+	    h = (struct generic_link_hash_entry *) p->udata.p;
+	    BFD_ASSERT (h->root.type == bfd_link_hash_defined);
+	    h->root.u.def.value -= slip;
+	    BFD_ASSERT (h->root.u.def.value == p->value);
+	  }
+      }
+    }
+    s++;
+
+  }
+}
+
+/* This routine works out if the thing we want to get to can be
+   reached with a 24bit offset instead of a 32 bit one.
+   If it can, then it changes the amode */
+
+static int
+abs32code (abfd, input_section, r, shrink, link_info)
+     bfd *abfd;
+     asection *input_section;
+     arelent *r;
+     unsigned int shrink;
+     struct bfd_link_info *link_info;
+{
+  bfd_vma value = get_value (r, link_info, input_section);
+  bfd_vma dot = output_addr (input_section) + r->address;
+  bfd_vma gap;
+
+  /* See if the address we're looking at within 2^23 bytes of where
+     we are, if so then we can use a small branch rather than the
+     jump we were going to */
+
+  gap = value - (dot - shrink);
+
+
+  if (-1<<23 < (long)gap && (long)gap < 1<<23 )
+  {
+    /* Change the reloc type from 32bitcode possible 24, to 24bit
+       possible 32 */
+
+    r->howto = &howto_reloc_abs32codeshrunk;
+    /* The place to relc moves back by four bytes */
+    r->address -=4;
+
+    /* This will be four bytes smaller in the long run */
+    shrink += 4 ;
+    perform_slip (abfd, 4, input_section, r->address-shrink + 4);
+  }
+  return shrink;
+}
+
+static int
+aligncode (abfd, input_section, r, shrink)
+     bfd *abfd;
+     asection *input_section;
+     arelent *r;
+     unsigned int shrink;
+{
+  bfd_vma dot = output_addr (input_section) + r->address;
+  bfd_vma gap;
+  bfd_vma old_end;
+  bfd_vma new_end;
+  int shrink_delta;
+  int size = r->howto->size;
+
+  /* Reduce the size of the alignment so that it's still aligned but
+     smaller  - the current size is already the same size as or bigger
+     than the alignment required.  */
+
+  /* calculate the first byte following the padding before we optimize */
+  old_end = ((dot + size ) & ~size) + size+1;
+  /* work out where the new end will be - remember that we're smaller
+     than we used to be */
+  new_end = ((dot - shrink + size) & ~size);
+
+  /* This is the new end */
+  gap = old_end - ((dot + size) & ~size);
+
+  shrink_delta = (old_end - new_end) - shrink;
+
+  if (shrink_delta)
+  {
+    /* Change the reloc so that it knows how far to align to */
+    r->howto = howto_done_align_table + (r->howto - howto_align_table);
+
+    /* Encode the stuff into the addend - for future use we need to
+       know how big the reloc used to be */
+    r->addend = old_end - dot + r->address;
+
+    /* This will be N bytes smaller in the long run, adjust all the symbols */
+    perform_slip (abfd, shrink_delta, input_section, r->address - shrink);
+    shrink += shrink_delta;
+  }
+  return shrink;
+}
+
+static boolean
+b_out_bfd_relax_section (abfd, i, link_info, again)
+     bfd *abfd;
+     asection *i;
+     struct bfd_link_info *link_info;
+     boolean *again;
+{
+  /* Get enough memory to hold the stuff */
+  bfd *input_bfd = i->owner;
+  asection *input_section = i;
+  int shrink = 0 ;
+  arelent **reloc_vector = NULL;
+  long reloc_size = bfd_get_reloc_upper_bound(input_bfd,
+					      input_section);
+
+  if (reloc_size < 0)
+    return false;
+
+  /* We only run this relaxation once.  It might work to run it
+     multiple times, but it hasn't been tested.  */
+  *again = false;
+
+  if (reloc_size)
+    {
+      long reloc_count;
+
+      reloc_vector = (arelent **) bfd_malloc (reloc_size);
+      if (reloc_vector == NULL && reloc_size != 0)
+	goto error_return;
+
+      /* Get the relocs and think about them */
+      reloc_count =
+	bfd_canonicalize_reloc (input_bfd, input_section, reloc_vector,
+				_bfd_generic_link_get_symbols (input_bfd));
+      if (reloc_count < 0)
+	goto error_return;
+      if (reloc_count > 0)
+	{
+	  arelent **parent;
+	  for (parent = reloc_vector; *parent; parent++)
+	    {
+	      arelent *r = *parent;
+	      switch (r->howto->type)
+		{
+		case ALIGNER:
+		  /* An alignment reloc */
+		  shrink = aligncode (abfd, input_section, r, shrink);
+		  break;
+		case ABS32CODE:
+		  /* A 32bit reloc in an addressing mode */
+		  shrink = abs32code (input_bfd, input_section, r, shrink,
+				      link_info);
+		  break;
+		case ABS32CODE_SHRUNK:
+		  shrink+=4;
+		  break;
+		}
+	    }
+	}
+    }
+  input_section->_cooked_size = input_section->_raw_size - shrink;
+
+  if (reloc_vector != NULL)
+    free (reloc_vector);
+  return true;
+ error_return:
+  if (reloc_vector != NULL)
+    free (reloc_vector);
+  return false;
+}
+
+static bfd_byte *
+b_out_bfd_get_relocated_section_contents (output_bfd, link_info, link_order,
+					  data, relocateable, symbols)
+     bfd *output_bfd;
+     struct bfd_link_info *link_info;
+     struct bfd_link_order *link_order;
+     bfd_byte *data;
+     boolean relocateable;
+     asymbol **symbols;
+{
+  /* Get enough memory to hold the stuff */
+  bfd *input_bfd = link_order->u.indirect.section->owner;
+  asection *input_section = link_order->u.indirect.section;
+  long reloc_size = bfd_get_reloc_upper_bound (input_bfd,
+					       input_section);
+  arelent **reloc_vector = NULL;
+  long reloc_count;
+
+  if (reloc_size < 0)
+    goto error_return;
+
+  /* If producing relocateable output, don't bother to relax.  */
+  if (relocateable)
+    return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
+						       link_order,
+						       data, relocateable,
+						       symbols);
+
+  reloc_vector = (arelent **) bfd_malloc (reloc_size);
+  if (reloc_vector == NULL && reloc_size != 0)
+    goto error_return;
+
+  input_section->reloc_done = 1;
+
+  /* read in the section */
+  BFD_ASSERT (true == bfd_get_section_contents (input_bfd,
+						input_section,
+						data,
+						0,
+						input_section->_raw_size));
+
+  reloc_count = bfd_canonicalize_reloc (input_bfd,
+					input_section,
+					reloc_vector,
+					symbols);
+  if (reloc_count < 0)
+    goto error_return;
+  if (reloc_count > 0)
+    {
+      arelent **parent = reloc_vector;
+      arelent *reloc ;
+
+      unsigned int dst_address = 0;
+      unsigned int src_address = 0;
+      unsigned int run;
+      unsigned int idx;
+
+      /* Find how long a run we can do */
+      while (dst_address < link_order->size)
+	{
+	  reloc = *parent;
+	  if (reloc)
+	    {
+	      /* Note that the relaxing didn't tie up the addresses in the
+		 relocation, so we use the original address to work out the
+		 run of non-relocated data */
+	      BFD_ASSERT (reloc->address >= src_address);
+	      run = reloc->address - src_address;
+	      parent++;
+	    }
+	  else
+	    {
+	      run = link_order->size - dst_address;
+	    }
+	  /* Copy the bytes */
+	  for (idx = 0; idx < run; idx++)
+	    {
+	      data[dst_address++] = data[src_address++];
+	    }
+
+	  /* Now do the relocation */
+
+	  if (reloc)
+	    {
+	      switch (reloc->howto->type)
+		{
+		case ABS32CODE:
+		  calljx_callback (input_bfd, link_info, reloc,
+				   src_address + data, dst_address + data,
+				   input_section);
+		  src_address+=4;
+		  dst_address+=4;
+		  break;
+		case ABS32:
+		  bfd_put_32 (input_bfd,
+			      (bfd_get_32 (input_bfd, data + src_address)
+			       + get_value (reloc, link_info, input_section)),
+			      data + dst_address);
+		  src_address+=4;
+		  dst_address+=4;
+		  break;
+		case CALLJ:
+		  callj_callback (input_bfd, link_info, reloc, data,
+				  src_address, dst_address, input_section,
+				  false);
+		  src_address+=4;
+		  dst_address+=4;
+		  break;
+		case ALIGNDONE:
+		  BFD_ASSERT (reloc->addend >= src_address);
+		  BFD_ASSERT (reloc->addend <= input_section->_raw_size);
+		  src_address = reloc->addend;
+		  dst_address = ((dst_address + reloc->howto->size)
+				 & ~reloc->howto->size);
+		  break;
+		case ABS32CODE_SHRUNK:
+		  /* This used to be a callx, but we've found out that a
+		     callj will reach, so do the right thing.  */
+		  callj_callback (input_bfd, link_info, reloc, data,
+				  src_address + 4, dst_address, input_section,
+				  true);
+		  dst_address+=4;
+		  src_address+=8;
+		  break;
+		case PCREL24:
+		  {
+		    long int word = bfd_get_32 (input_bfd,
+						data + src_address);
+		    bfd_vma value;
+
+		    value = get_value (reloc, link_info, input_section);
+		    word = ((word & ~BAL_MASK)
+			    | (((word & BAL_MASK)
+				+ value
+				- output_addr (input_section)
+				+ reloc->addend)
+			       & BAL_MASK));
+
+		    bfd_put_32 (input_bfd, word, data + dst_address);
+		    dst_address+=4;
+		    src_address+=4;
+
+		  }
+		  break;
+
+		case PCREL13:
+		  {
+		    long int word = bfd_get_32 (input_bfd,
+						data + src_address);
+		    bfd_vma value;
+
+		    value = get_value (reloc, link_info, input_section);
+		    word = ((word & ~PCREL13_MASK)
+			    | (((word & PCREL13_MASK)
+				+ value
+				+ reloc->addend
+				- output_addr (input_section))
+			       & PCREL13_MASK));
+
+		    bfd_put_32 (input_bfd, word, data + dst_address);
+		    dst_address+=4;
+		    src_address+=4;
+
+		  }
+		  break;
+
+		default:
+		  abort();
+		}
+	    }
+	}
+    }
+  if (reloc_vector != NULL)
+    free (reloc_vector);
+  return data;
+ error_return:
+  if (reloc_vector != NULL)
+    free (reloc_vector);
+  return NULL;
+}
+/***********************************************************************/
+
+/* Build the transfer vectors for Big and Little-Endian B.OUT files.  */
+
+#define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info
+
+#define b_out_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define b_out_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define b_out_bfd_final_link _bfd_generic_final_link
+#define b_out_bfd_link_split_section  _bfd_generic_link_split_section
+#define b_out_bfd_gc_sections  bfd_generic_gc_sections
+
+#define aout_32_get_section_contents_in_window \
+  _bfd_generic_get_section_contents_in_window
+
+const bfd_target b_out_vec_big_host =
+{
+  "b.out.big",			/* name */
+  bfd_target_aout_flavour,
+  BFD_ENDIAN_LITTLE,		/* data byte order is little */
+  BFD_ENDIAN_BIG,		/* hdr byte order is big */
+  (HAS_RELOC | EXEC_P |		/* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+  '_',				/* symbol leading char */
+  ' ',				/* 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_getb64, bfd_getb_signed_64, bfd_putb64,
+     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+     bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
+ {_bfd_dummy_target, b_out_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},
+
+     BFD_JUMP_TABLE_GENERIC (aout_32),
+     BFD_JUMP_TABLE_COPY (_bfd_generic),
+     BFD_JUMP_TABLE_CORE (_bfd_nocore),
+     BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
+     BFD_JUMP_TABLE_SYMBOLS (aout_32),
+     BFD_JUMP_TABLE_RELOCS (b_out),
+     BFD_JUMP_TABLE_WRITE (b_out),
+     BFD_JUMP_TABLE_LINK (b_out),
+     BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  (PTR) 0,
+};
+
+
+const bfd_target b_out_vec_little_host =
+{
+  "b.out.little",		/* name */
+  bfd_target_aout_flavour,
+  BFD_ENDIAN_LITTLE,		/* data byte order is little */
+  BFD_ENDIAN_LITTLE,		/* header byte order is little */
+  (HAS_RELOC | EXEC_P |		/* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+  '_',				/* symbol leading char */
+  ' ',				/* 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, b_out_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},
+
+     BFD_JUMP_TABLE_GENERIC (aout_32),
+     BFD_JUMP_TABLE_COPY (_bfd_generic),
+     BFD_JUMP_TABLE_CORE (_bfd_nocore),
+     BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
+     BFD_JUMP_TABLE_SYMBOLS (aout_32),
+     BFD_JUMP_TABLE_RELOCS (b_out),
+     BFD_JUMP_TABLE_WRITE (b_out),
+     BFD_JUMP_TABLE_LINK (b_out),
+     BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  (PTR) 0
+};