Initial revision

1 files changed, 1065 insertions, 0 deletions

diff --git a/bfd/aout-tic30.c b/bfd/aout-tic30.c
new file mode 100644
index 00000000000..eae6cb754cb
--- /dev/null
+++ b/bfd/aout-tic30.c
@@ -0,0 +1,1065 @@
+/* BFD back-end for TMS320C30 a.out binaries.
+   Copyright (C) 1998 Free Software Foundation, Inc.
+   Contributed by Steven Haworth (steve@pm.cse.rmit.edu.au)
+
+   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.  */
+
+#define TARGET_IS_BIG_ENDIAN_P
+#define N_HEADER_IN_TEXT(x) 1
+#define BYTES_IN_WORD 4
+#define TEXT_START_ADDR 1024
+#define TARGET_PAGE_SIZE 128
+#define SEGMENT_SIZE TARGET_PAGE_SIZE
+#define DEFAULT_ARCH bfd_arch_tic30
+#define ARCH_SIZE 32
+
+#define MY(OP) CAT(tic30_aout_,OP)
+#define TARGETNAME "a.out-tic30"
+#define NAME(x,y) CAT3(tic30_aout,_32_,y)
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libaout.h"
+
+#include "aout/aout64.h"
+#include "aout/stab_gnu.h"
+#include "aout/ar.h"
+
+static bfd_reloc_status_type tic30_aout_fix_16
+  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type tic30_aout_fix_32
+  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type tic30_aout_fix_pcrel_16
+  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static reloc_howto_type *tic30_aout_reloc_howto
+  PARAMS ((bfd *, struct reloc_std_external *, int *, int *, int *));
+static bfd_reloc_status_type tic30_aout_relocate_contents
+  PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
+static bfd_reloc_status_type tic30_aout_final_link_relocate
+  PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma,
+	   bfd_vma, bfd_vma));
+static const bfd_target *tic30_aout_object_p PARAMS ((bfd *));
+static boolean tic30_aout_write_object_contents PARAMS ((bfd *));
+static boolean tic30_aout_set_sizes PARAMS ((bfd *));
+
+#define MY_reloc_howto(BFD,REL,IN,EX,PC) tic30_aout_reloc_howto(BFD,REL,&IN,&EX,&PC)
+#define MY_final_link_relocate tic30_aout_final_link_relocate
+#define MY_object_p tic30_aout_object_p
+#define MY_mkobject NAME(aout,mkobject)
+#define MY_write_object_contents tic30_aout_write_object_contents
+#define MY_set_sizes tic30_aout_set_sizes
+
+#ifndef MY_exec_hdr_flags
+#define MY_exec_hdr_flags 1
+#endif
+
+#ifndef MY_backend_data
+
+#ifndef MY_zmagic_contiguous
+#define MY_zmagic_contiguous 0
+#endif
+#ifndef MY_text_includes_header
+#define MY_text_includes_header 0
+#endif
+#ifndef MY_entry_is_text_address
+#define MY_entry_is_text_address 0
+#endif
+#ifndef MY_exec_header_not_counted
+#define MY_exec_header_not_counted 1
+#endif
+#ifndef MY_add_dynamic_symbols
+#define MY_add_dynamic_symbols 0
+#endif
+#ifndef MY_add_one_symbol
+#define MY_add_one_symbol 0
+#endif
+#ifndef MY_link_dynamic_object
+#define MY_link_dynamic_object 0
+#endif
+#ifndef MY_write_dynamic_symbol
+#define MY_write_dynamic_symbol 0
+#endif
+#ifndef MY_check_dynamic_reloc
+#define MY_check_dynamic_reloc 0
+#endif
+#ifndef MY_finish_dynamic_link
+#define MY_finish_dynamic_link 0
+#endif
+
+static CONST struct aout_backend_data tic30_aout_backend_data =
+{
+  MY_zmagic_contiguous,
+  MY_text_includes_header,
+  MY_entry_is_text_address,
+  MY_exec_hdr_flags,
+  0,				/* text vma? */
+  MY_set_sizes,
+  MY_exec_header_not_counted,
+  MY_add_dynamic_symbols,
+  MY_add_one_symbol,
+  MY_link_dynamic_object,
+  MY_write_dynamic_symbol,
+  MY_check_dynamic_reloc,
+  MY_finish_dynamic_link
+};
+#define MY_backend_data &tic30_aout_backend_data
+#endif
+
+/* FIXME: This is wrong.  aoutx.h should really only be included by
+   aout32.c.  */
+
+#include "aoutx.h"
+
+/* This table lists the relocation types for the TMS320C30.  There are
+   only a few relocations required, and all must be divided by 4 (>>
+   2) to get the 32-bit addresses in the format the TMS320C30 likes
+   it. */
+reloc_howto_type tic30_aout_howto_table[] =
+{
+  {-1},
+  HOWTO (1, 2, 1, 16, false, 0, 0, tic30_aout_fix_16,
+	 "16", false, 0x0000FFFF, 0x0000FFFF, false),
+  HOWTO (2, 2, 2, 24, false, 0, complain_overflow_bitfield, NULL,
+	 "24", false, 0x00FFFFFF, 0x00FFFFFF, false),
+  HOWTO (3, 18, 3, 24, false, 0, complain_overflow_bitfield, NULL,
+	 "LDP", false, 0x00FF0000, 0x000000FF, false),
+  HOWTO (4, 2, 4, 32, false, 0, complain_overflow_bitfield, tic30_aout_fix_32,
+	 "32", false, 0xFFFFFFFF, 0xFFFFFFFF, false),
+  HOWTO (5, 2, 1, 16, true, 0, complain_overflow_signed,
+	 tic30_aout_fix_pcrel_16, "PCREL", true, 0x0000FFFF, 0x0000FFFF, true),
+  {-1},
+  {-1},
+  {-1},
+  {-1},
+  {-1}
+};
+
+extern reloc_howto_type *NAME (aout, reloc_type_lookup) ();
+
+reloc_howto_type *
+tic30_aout_reloc_type_lookup (abfd, code)
+     bfd *abfd;
+     bfd_reloc_code_real_type code;
+{
+  switch (code)
+    {
+    case BFD_RELOC_8:
+    case BFD_RELOC_TIC30_LDP:
+      return &tic30_aout_howto_table[3];
+    case BFD_RELOC_16:
+      return &tic30_aout_howto_table[1];
+    case BFD_RELOC_24:
+      return &tic30_aout_howto_table[2];
+    case BFD_RELOC_16_PCREL:
+      return &tic30_aout_howto_table[5];
+    case BFD_RELOC_32:
+      return &tic30_aout_howto_table[4];
+    default:
+      return (reloc_howto_type *) NULL;
+    }
+}
+
+static reloc_howto_type *
+tic30_aout_reloc_howto (abfd, relocs, r_index, r_extern, r_pcrel)
+     bfd *abfd;
+     struct reloc_std_external *relocs;
+     int *r_index;
+     int *r_extern;
+     int *r_pcrel;
+{
+  unsigned int r_length;
+  unsigned int r_pcrel_done;
+  int index;
+
+  *r_pcrel = 0;
+  if (bfd_header_big_endian (abfd))
+    {
+      *r_index = ((relocs->r_index[0] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[2]);
+      *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_BIG));
+      r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_BIG));
+      r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_BIG) >> RELOC_STD_BITS_LENGTH_SH_BIG);
+    }
+  else
+    {
+      *r_index = ((relocs->r_index[2] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[0]);
+      *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE));
+      r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE));
+      r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_LITTLE) >> RELOC_STD_BITS_LENGTH_SH_LITTLE);
+    }
+  index = r_length + 4 * r_pcrel_done;
+  return tic30_aout_howto_table + index;
+}
+
+/* This function is used as a callback for 16-bit relocs.  This is
+   required for relocations between segments.  A line in aoutx.h
+   requires that any relocations for the data section should point to
+   the end of the aligned text section, plus an offset.  By default,
+   this does not happen, therefore this function takes care of
+   that. */
+
+static bfd_reloc_status_type
+tic30_aout_fix_16 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
+     bfd *abfd;
+     arelent *reloc_entry;
+     asymbol *symbol;
+     PTR data;
+     asection *input_section;
+     bfd *output_bfd;
+     char **error_message;
+{
+  bfd_vma relocation;
+
+  /* Make sure that the symbol's section is defined. */
+  if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0)
+    return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
+  /* Get the size of the input section and turn it into the TMS320C30
+     32-bit address format. */
+  relocation = (symbol->section->vma >> 2);
+  relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address);
+  bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
+  return bfd_reloc_ok;
+}
+
+/* This function does the same thing as tic30_aout_fix_16 except for 32
+   bit relocations. */
+
+static bfd_reloc_status_type
+tic30_aout_fix_32 (abfd, reloc_entry, symbol, data, input_section,
+		   output_bfd, error_message)
+     bfd *abfd;
+     arelent *reloc_entry;
+     asymbol *symbol;
+     PTR data;
+     asection *input_section;
+     bfd *output_bfd;
+     char **error_message;
+{
+  bfd_vma relocation;
+
+  /* Make sure that the symbol's section is defined. */
+  if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0)
+    return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined;
+  /* Get the size of the input section and turn it into the TMS320C30
+     32-bit address format. */
+  relocation = (symbol->section->vma >> 2);
+  relocation += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
+  bfd_put_32 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
+  return bfd_reloc_ok;
+}
+
+/* This function is used to work out pc-relative offsets for the
+   TMS320C30.  The data already placed by md_pcrel_from within gas is
+   useless for a relocation, so we just get the offset value and place
+   a version of this within the object code.
+   tic30_aout_final_link_relocate will then calculate the required
+   relocation to add on to the value in the object code. */
+
+static bfd_reloc_status_type
+tic30_aout_fix_pcrel_16 (abfd, reloc_entry, symbol, data, input_section,
+			 output_bfd, error_message)
+     bfd *abfd;
+     arelent *reloc_entry;
+     asymbol *symbol;
+     PTR data;
+     asection *input_section;
+     bfd *output_bfd;
+     char **error_message;
+{
+  bfd_vma relocation = 1;
+  bfd_byte offset_data = bfd_get_8 (abfd, (bfd_byte *) data + reloc_entry->address - 1);
+
+  /* The byte before the location of the fix contains bits 23-16 of
+     the pcrel instruction.  Bit 21 is set for a delayed instruction
+     which requires on offset of 3 instead of 1. */
+  if (offset_data & 0x20)
+    relocation -= 3;
+  else
+    relocation -= 1;
+  bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address);
+  return bfd_reloc_ok;
+}
+
+/* These macros will get 24-bit values from the bfd definition.
+   Big-endian only. */
+#define bfd_getb_24(BFD,ADDR) (bfd_get_8(BFD,ADDR) << 16) | \
+                              (bfd_get_8(BFD,ADDR+1) << 8) | \
+                              (bfd_get_8(BFD,ADDR+2))
+
+#define bfd_putb_24(BFD,DATA,ADDR) bfd_put_8(BFD,(bfd_byte)((DATA >> 16) & 0xFF),ADDR); \
+	                               bfd_put_8(BFD,(bfd_byte)((DATA >> 8) & 0xFF),ADDR+1); \
+		         				   bfd_put_8(BFD,(bfd_byte)(DATA & 0xFF),ADDR+2)
+
+/* 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 const bfd_target *
+tic30_aout_callback (abfd)
+     bfd *abfd;
+{
+  struct internal_exec *execp = exec_hdr (abfd);
+  unsigned int arch_align_power;
+  unsigned long arch_align;
+
+  /* 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);
+
+  obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
+  obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
+  obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
+
+  /* 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
+
+  /* Now that we know the architecture, set the alignments of the
+     sections.  This is normally done by NAME(aout,new_section_hook),
+     but when the initial sections were created the architecture had
+     not yet been set.  However, for backward compatibility, we don't
+     set the alignment power any higher than as required by the size
+     of the section.  */
+  arch_align_power = bfd_get_arch_info (abfd)->section_align_power;
+  arch_align = 1 << arch_align_power;
+  if ((BFD_ALIGN (obj_textsec (abfd)->_raw_size, arch_align)
+       == obj_textsec (abfd)->_raw_size)
+      && (BFD_ALIGN (obj_datasec (abfd)->_raw_size, arch_align)
+	  == obj_datasec (abfd)->_raw_size)
+      && (BFD_ALIGN (obj_bsssec (abfd)->_raw_size, arch_align)
+	  == obj_bsssec (abfd)->_raw_size))
+    {
+      obj_textsec (abfd)->alignment_power = arch_align_power;
+      obj_datasec (abfd)->alignment_power = arch_align_power;
+      obj_bsssec (abfd)->alignment_power = arch_align_power;
+    }
+  return abfd->xvec;
+}
+
+static bfd_reloc_status_type
+tic30_aout_final_link_relocate (howto, input_bfd, input_section, contents,
+				address, value, addend)
+     reloc_howto_type *howto;
+     bfd *input_bfd;
+     asection *input_section;
+     bfd_byte *contents;
+     bfd_vma address;
+     bfd_vma value;
+     bfd_vma addend;
+{
+  bfd_vma relocation;
+
+  if (address > input_section->_raw_size)
+    return bfd_reloc_outofrange;
+
+  relocation = value + addend;
+  if (howto->pc_relative)
+    {
+      relocation -= (input_section->output_section->vma + input_section->output_offset);
+      if (howto->pcrel_offset)
+	relocation -= address;
+    }
+  return tic30_aout_relocate_contents (howto, input_bfd, relocation,
+				       contents + address);
+}
+
+bfd_reloc_status_type
+tic30_aout_relocate_contents (howto, input_bfd, relocation, location)
+     reloc_howto_type *howto;
+     bfd *input_bfd;
+     bfd_vma relocation;
+     bfd_byte *location;
+{
+  bfd_vma x;
+  boolean overflow;
+
+  if (howto->size < 0)
+    relocation = -relocation;
+
+  switch (howto->size)
+    {
+    default:
+    case 0:
+      abort ();
+      break;
+    case 1:
+      x = bfd_get_16 (input_bfd, location);
+      break;
+    case 2:
+      x = bfd_getb_24 (input_bfd, location);
+      break;
+    case 3:
+      x = bfd_get_8 (input_bfd, location);
+      break;
+    case 4:
+      x = bfd_get_32 (input_bfd, location);
+      break;
+    }
+  overflow = false;
+  if (howto->complain_on_overflow != complain_overflow_dont)
+    {
+      bfd_vma check;
+      bfd_signed_vma signed_check;
+      bfd_vma add;
+      bfd_signed_vma signed_add;
+
+      if (howto->rightshift == 0)
+	{
+	  check = relocation;
+	  signed_check = (bfd_signed_vma) relocation;
+	}
+      else
+	{
+	  check = relocation >> howto->rightshift;
+	  if ((bfd_signed_vma) relocation >= 0)
+	    signed_check = check;
+	  else
+	    signed_check = (check | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->rightshift)));
+	}
+      add = x & howto->src_mask;
+      signed_add = add;
+      if ((add & (((~howto->src_mask) >> 1) & howto->src_mask)) != 0)
+	signed_add -= (((~howto->src_mask) >> 1) & howto->src_mask) << 1;
+      if (howto->bitpos == 0)
+	{
+	  check += add;
+	  signed_check += signed_add;
+	}
+      else
+	{
+	  check += add >> howto->bitpos;
+	  if (signed_add >= 0)
+	    signed_check += add >> howto->bitpos;
+	  else
+	    signed_check += ((add >> howto->bitpos) | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->bitpos)));
+	}
+      switch (howto->complain_on_overflow)
+	{
+	case complain_overflow_signed:
+	  {
+	    bfd_signed_vma reloc_signed_max = (1 << (howto->bitsize - 1)) - 1;
+	    bfd_signed_vma reloc_signed_min = ~reloc_signed_max;
+	    if (signed_check > reloc_signed_max || signed_check < reloc_signed_min)
+	      overflow = true;
+	  }
+	  break;
+	case complain_overflow_unsigned:
+	  {
+	    bfd_vma reloc_unsigned_max = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
+	    if (check > reloc_unsigned_max)
+	      overflow = true;
+	  }
+	  break;
+	case complain_overflow_bitfield:
+	  {
+	    bfd_vma reloc_bits = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
+	    if ((check & ~reloc_bits) != 0 && (((bfd_vma) signed_check & ~reloc_bits) != (-1 & ~reloc_bits)))
+	      overflow = true;
+	  }
+	  break;
+	default:
+	  abort ();
+	}
+    }
+  relocation >>= (bfd_vma) howto->rightshift;
+  relocation <<= (bfd_vma) howto->bitpos;
+  x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask));
+  switch (howto->size)
+    {
+    default:
+    case 0:
+      abort ();
+      break;
+    case 1:
+      bfd_put_16 (input_bfd, x, location);
+      break;
+    case 2:
+      bfd_putb_24 (input_bfd, x, location);
+      break;
+    case 3:
+      bfd_put_8 (input_bfd, x, location);
+      break;
+    case 4:
+      bfd_put_32 (input_bfd, x, location);
+      break;
+    }
+  return overflow ? bfd_reloc_overflow : bfd_reloc_ok;
+}
+
+/* Finish up the reading of an a.out file header */
+
+static const bfd_target *
+tic30_aout_object_p (abfd)
+     bfd *abfd;
+{
+  struct external_exec exec_bytes;	/* Raw exec header from file */
+  struct internal_exec exec;	/* Cleaned-up exec header */
+  const bfd_target *target;
+
+  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;
+    }
+
+#ifdef SWAP_MAGIC
+  exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
+#else
+  exec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info);
+#endif /* SWAP_MAGIC */
+
+  if (N_BADMAG (exec))
+    return 0;
+#ifdef MACHTYPE_OK
+  if (!(MACHTYPE_OK (N_MACHTYPE (exec))))
+    return 0;
+#endif
+
+  NAME (aout, swap_exec_header_in) (abfd, &exec_bytes, &exec);
+
+#ifdef SWAP_MAGIC
+  /* swap_exec_header_in read in a_info with the wrong byte order */
+  exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
+#endif /* SWAP_MAGIC */
+
+  target = NAME (aout, some_aout_object_p) (abfd, &exec, tic30_aout_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;
+}
+
+/* Copy private section data.  This actually does nothing with the
+   sections.  It copies the subformat field.  We copy it here, because
+   we need to know whether this is a QMAGIC file before we set the
+   section contents, and copy_private_bfd_data is not called until
+   after the section contents have been set.  */
+
+/*ARGSUSED */
+static boolean
+MY_bfd_copy_private_section_data (ibfd, isec, obfd, osec)
+     bfd *ibfd;
+     asection *isec;
+     bfd *obfd;
+     asection *osec;
+{
+  if (bfd_get_flavour (obfd) == bfd_target_aout_flavour)
+    obj_aout_subformat (obfd) = obj_aout_subformat (ibfd);
+  return true;
+}
+
+/* Write an object file.
+   Section contents have already been written.  We write the
+   file header, symbols, and relocation.  */
+
+static boolean
+tic30_aout_write_object_contents (abfd)
+     bfd *abfd;
+{
+  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
+  {
+    bfd_size_type text_size;	/* dummy vars */
+    file_ptr text_end;
+    if (adata (abfd).magic == undecided_magic)
+      NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end);
+
+    execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;
+    execp->a_entry = bfd_get_start_address (abfd);
+
+    execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * obj_reloc_entry_size (abfd));
+    execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * obj_reloc_entry_size (abfd));
+    NAME (aout, swap_exec_header_out) (abfd, execp, &exec_bytes);
+
+    if (adata (abfd).exec_bytes_size > 0)
+      {
+	if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
+	  return false;
+	if (bfd_write ((PTR) & exec_bytes, 1, adata (abfd).exec_bytes_size, abfd) != adata (abfd).exec_bytes_size)
+	  return false;
+      }
+    /* Now write out reloc info, followed by syms and strings */
+
+    if (bfd_get_outsymbols (abfd) != (asymbol **) NULL
+	&& bfd_get_symcount (abfd) != 0)
+      {
+	if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*execp)), SEEK_SET) != 0)
+	  return false;
+
+	if (!NAME (aout, write_syms) (abfd))
+	  return false;
+      }
+
+    if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (*execp)), SEEK_SET) != 0)
+      return false;
+    if (!NAME (aout, squirt_out_relocs) (abfd, obj_textsec (abfd)))
+      return false;
+
+    if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (*execp)), SEEK_SET) != 0)
+      return false;
+    if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd)))
+      return false;
+  }
+
+  return true;
+}
+
+static boolean
+tic30_aout_set_sizes (abfd)
+     bfd *abfd;
+{
+  adata (abfd).page_size = TARGET_PAGE_SIZE;
+
+#ifdef SEGMENT_SIZE
+  adata (abfd).segment_size = SEGMENT_SIZE;
+#else
+  adata (abfd).segment_size = TARGET_PAGE_SIZE;
+#endif
+
+#ifdef ZMAGIC_DISK_BLOCK_SIZE
+  adata (abfd).zmagic_disk_block_size = ZMAGIC_DISK_BLOCK_SIZE;
+#else
+  adata (abfd).zmagic_disk_block_size = TARGET_PAGE_SIZE;
+#endif
+
+  adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE;
+
+  return true;
+}
+
+#ifndef MY_final_link_callback
+
+/* Callback for the final_link routine to set the section offsets.  */
+
+static void MY_final_link_callback
+  PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *));
+
+static void
+MY_final_link_callback (abfd, ptreloff, pdreloff, psymoff)
+     bfd *abfd;
+     file_ptr *ptreloff;
+     file_ptr *pdreloff;
+     file_ptr *psymoff;
+{
+  struct internal_exec *execp = exec_hdr (abfd);
+
+  *ptreloff = obj_datasec (abfd)->filepos + execp->a_data;
+  *pdreloff = *ptreloff + execp->a_trsize;
+  *psymoff = *pdreloff + execp->a_drsize;;
+}
+
+#endif
+
+#ifndef MY_bfd_final_link
+
+/* Final link routine.  We need to use a call back to get the correct
+   offsets in the output file.  */
+
+static boolean
+MY_bfd_final_link (abfd, info)
+     bfd *abfd;
+     struct bfd_link_info *info;
+{
+  struct internal_exec *execp = exec_hdr (abfd);
+  file_ptr pos;
+  bfd_vma vma = 0;
+  int pad;
+
+  /* Set the executable header size to 0, as we don't want one for an
+     output. */
+  adata (abfd).exec_bytes_size = 0;
+  pos = adata (abfd).exec_bytes_size;
+  /* Text.  */
+  vma = info->create_object_symbols_section->vma;
+  pos += vma;
+  obj_textsec (abfd)->filepos = pos;
+  obj_textsec (abfd)->vma = vma;
+  obj_textsec (abfd)->user_set_vma = 1;
+  pos += obj_textsec (abfd)->_raw_size;
+  vma += obj_textsec (abfd)->_raw_size;
+
+  /* Data.  */
+  if (abfd->flags & D_PAGED)
+    {
+      if (info->create_object_symbols_section->next->vma > 0)
+	obj_datasec (abfd)->vma = info->create_object_symbols_section->next->vma;
+      else
+	obj_datasec (abfd)->vma = BFD_ALIGN (vma, adata (abfd).segment_size);
+    }
+  else
+    {
+      obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
+    }
+  if (obj_datasec (abfd)->vma < vma)
+    {
+      obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
+    }
+  obj_datasec (abfd)->user_set_vma = 1;
+  vma = obj_datasec (abfd)->vma;
+  obj_datasec (abfd)->filepos = vma + adata (abfd).exec_bytes_size;
+  execp->a_text = vma - obj_textsec (abfd)->vma;
+  obj_textsec (abfd)->_raw_size = execp->a_text;
+
+  /* Since BSS follows data immediately, see if it needs alignment.  */
+  vma += obj_datasec (abfd)->_raw_size;
+  pad = align_power (vma, obj_bsssec (abfd)->alignment_power) - vma;
+  obj_datasec (abfd)->_raw_size += pad;
+  pos += obj_datasec (abfd)->_raw_size;
+  execp->a_data = obj_datasec (abfd)->_raw_size;
+
+  /* BSS.  */
+  obj_bsssec (abfd)->vma = vma;
+  obj_bsssec (abfd)->user_set_vma = 1;
+
+  /* We are fully resized, so don't readjust in final_link. */
+  adata (abfd).magic = z_magic;
+
+  return NAME (aout, final_link) (abfd, info, MY_final_link_callback);
+}
+
+#endif
+
+enum machine_type
+tic30_aout_machine_type (arch, machine, unknown)
+     enum bfd_architecture arch;
+     unsigned long machine;
+     boolean *unknown;
+{
+  enum machine_type arch_flags;
+
+  arch_flags = M_UNKNOWN;
+  *unknown = true;
+
+  switch (arch)
+    {
+    case bfd_arch_tic30:
+      *unknown = false;
+      break;
+    default:
+      arch_flags = M_UNKNOWN;
+    }
+  if (arch_flags != M_UNKNOWN)
+    *unknown = false;
+  return arch_flags;
+}
+
+boolean
+tic30_aout_set_arch_mach (abfd, arch, machine)
+     bfd *abfd;
+     enum bfd_architecture arch;
+     unsigned long machine;
+{
+  if (!bfd_default_set_arch_mach (abfd, arch, machine))
+    return false;
+  if (arch != bfd_arch_unknown)
+    {
+      boolean unknown;
+      tic30_aout_machine_type (arch, machine, &unknown);
+      if (unknown)
+	return false;
+    }
+  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
+  return (*aout_backend_info (abfd)->set_sizes) (abfd);
+}
+
+/* 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_get_elt_at_index
+#define MY_get_elt_at_index		_bfd_generic_get_elt_at_index
+#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_slurp_extended_name_table
+#endif
+#ifndef MY_construct_extended_name_table
+#define MY_construct_extended_name_table \
+  _bfd_archive_bsd_construct_extended_name_table
+#endif
+#ifndef	MY_write_armap
+#define	MY_write_armap		bsd_write_armap
+#endif
+#ifndef MY_read_ar_hdr
+#define MY_read_ar_hdr		_bfd_generic_read_ar_hdr
+#endif
+#ifndef	MY_truncate_arname
+#define	MY_truncate_arname		bfd_bsd_truncate_arname
+#endif
+#ifndef MY_update_armap_timestamp
+#define MY_update_armap_timestamp _bfd_archive_bsd_update_armap_timestamp
+#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_nocore_core_file_failing_command
+#endif
+#ifndef	MY_core_file_failing_signal
+#define	MY_core_file_failing_signal	_bfd_nocore_core_file_failing_signal
+#endif
+#ifndef	MY_core_file_matches_executable_p
+#define	MY_core_file_matches_executable_p	\
+				_bfd_nocore_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	\
+			(void (*) PARAMS ((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_set_section_contents
+#define MY_set_section_contents NAME(aout,set_section_contents)
+#endif
+#ifndef MY_get_section_contents
+#define MY_get_section_contents aout_32_get_section_contents
+#endif
+#ifndef MY_get_section_contents_in_window
+#define MY_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
+#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_symbol_info
+#define MY_get_symbol_info NAME(aout,get_symbol_info)
+#endif
+#ifndef MY_get_lineno
+#define MY_get_lineno NAME(aout,get_lineno)
+#endif
+#ifndef MY_set_arch_mach
+#define MY_set_arch_mach tic30_aout_set_arch_mach
+#endif
+#ifndef MY_find_nearest_line
+#define MY_find_nearest_line NAME(aout,find_nearest_line)
+#endif
+#ifndef MY_sizeof_headers
+#define MY_sizeof_headers NAME(aout,sizeof_headers)
+#endif
+#ifndef MY_bfd_get_relocated_section_contents
+#define MY_bfd_get_relocated_section_contents \
+			bfd_generic_get_relocated_section_contents
+#endif
+#ifndef MY_bfd_relax_section
+#define MY_bfd_relax_section bfd_generic_relax_section
+#endif
+#ifndef MY_bfd_gc_sections
+#define MY_bfd_gc_sections bfd_generic_gc_sections
+#endif
+#ifndef MY_bfd_reloc_type_lookup
+#define MY_bfd_reloc_type_lookup tic30_aout_reloc_type_lookup
+#endif
+#ifndef MY_bfd_make_debug_symbol
+#define MY_bfd_make_debug_symbol 0
+#endif
+#ifndef MY_read_minisymbols
+#define MY_read_minisymbols NAME(aout,read_minisymbols)
+#endif
+#ifndef MY_minisymbol_to_symbol
+#define MY_minisymbol_to_symbol NAME(aout,minisymbol_to_symbol)
+#endif
+#ifndef MY_bfd_link_hash_table_create
+#define MY_bfd_link_hash_table_create NAME(aout,link_hash_table_create)
+#endif
+#ifndef MY_bfd_link_add_symbols
+#define MY_bfd_link_add_symbols NAME(aout,link_add_symbols)
+#endif
+#ifndef MY_bfd_link_split_section
+#define MY_bfd_link_split_section  _bfd_generic_link_split_section
+#endif
+
+
+#ifndef MY_bfd_copy_private_bfd_data
+#define MY_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
+#endif
+
+#ifndef MY_bfd_merge_private_bfd_data
+#define MY_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
+#endif
+
+#ifndef MY_bfd_copy_private_symbol_data
+#define MY_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
+#endif
+
+#ifndef MY_bfd_print_private_bfd_data
+#define MY_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
+#endif
+
+#ifndef MY_bfd_set_private_flags
+#define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
+#endif
+
+#ifndef MY_bfd_is_local_label_name
+#define MY_bfd_is_local_label_name bfd_generic_is_local_label_name
+#endif
+
+#ifndef MY_bfd_free_cached_info
+#define MY_bfd_free_cached_info NAME(aout,bfd_free_cached_info)
+#endif
+
+#ifndef MY_close_and_cleanup
+#define MY_close_and_cleanup MY_bfd_free_cached_info
+#endif
+
+#ifndef MY_get_dynamic_symtab_upper_bound
+#define MY_get_dynamic_symtab_upper_bound \
+  _bfd_nodynamic_get_dynamic_symtab_upper_bound
+#endif
+#ifndef MY_canonicalize_dynamic_symtab
+#define MY_canonicalize_dynamic_symtab \
+  _bfd_nodynamic_canonicalize_dynamic_symtab
+#endif
+#ifndef MY_get_dynamic_reloc_upper_bound
+#define MY_get_dynamic_reloc_upper_bound \
+  _bfd_nodynamic_get_dynamic_reloc_upper_bound
+#endif
+#ifndef MY_canonicalize_dynamic_reloc
+#define MY_canonicalize_dynamic_reloc \
+  _bfd_nodynamic_canonicalize_dynamic_reloc
+#endif
+
+/* Aout symbols normally have leading underscores */
+#ifndef MY_symbol_leading_char
+#define MY_symbol_leading_char '_'
+#endif
+
+/* Aout archives normally use spaces for padding */
+#ifndef AR_PAD_CHAR
+#define AR_PAD_CHAR ' '
+#endif
+
+#ifndef MY_BFD_TARGET
+const bfd_target tic30_aout_vec =
+{
+  TARGETNAME,			/* name */
+  bfd_target_aout_flavour,
+  BFD_ENDIAN_BIG,		/* target byte order (big) */
+  BFD_ENDIAN_BIG,		/* target headers byte order (big) */
+  (HAS_RELOC |			/* object flags */
+   HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC),	/* section flags */
+  MY_symbol_leading_char,
+  AR_PAD_CHAR,			/* ar_pad_char */
+  15,				/* ar_max_namelen */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* 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, 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},
+
+  BFD_JUMP_TABLE_GENERIC (MY),
+  BFD_JUMP_TABLE_COPY (MY),
+  BFD_JUMP_TABLE_CORE (MY),
+  BFD_JUMP_TABLE_ARCHIVE (MY),
+  BFD_JUMP_TABLE_SYMBOLS (MY),
+  BFD_JUMP_TABLE_RELOCS (MY),
+  BFD_JUMP_TABLE_WRITE (MY),
+  BFD_JUMP_TABLE_LINK (MY),
+  BFD_JUMP_TABLE_DYNAMIC (MY),
+
+  (PTR) MY_backend_data,
+};
+#endif /* MY_BFD_TARGET */