Add upstream binutils-2.25 snapshot 4/4 2014

For MIPS -mmsa support

Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96

1 files changed, 1893 insertions, 0 deletions

diff --git a/binutils-2.25/binutils/srconv.c b/binutils-2.25/binutils/srconv.c
new file mode 100644
index 0000000..dcf33b9
--- /dev/null
+++ b/binutils-2.25/binutils/srconv.c
@@ -0,0 +1,1893 @@
+/* srconv.c -- Sysroff conversion program
+   Copyright 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+   2005, 2007, 2008, 2009 Free Software Foundation, Inc.
+
+   This file is part of GNU Binutils.
+
+   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 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+/* Written by Steve Chamberlain (sac@cygnus.com)
+
+   This program can be used to convert a coff object file
+   into a Hitachi OM/LM (Sysroff) format.
+
+   All debugging information is preserved */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "bucomm.h"
+#include "sysroff.h"
+#include "coffgrok.h"
+#include "libiberty.h"
+#include "filenames.h"
+#include "getopt.h"
+
+#include "coff/internal.h"
+#include "../bfd/libcoff.h"
+
+/*#define FOOP1 1 */
+
+static int addrsize;
+static char *toolname;
+static char **rnames;
+
+static int get_member_id (int);
+static int get_ordinary_id (int);
+static char *section_translate (char *);
+static char *strip_suffix (const char *);
+static void checksum (FILE *, unsigned char *, int, int);
+static void writeINT (int, unsigned char *, int *, int, FILE *);
+static void writeBITS (int, unsigned char *, int *, int);
+static void writeBARRAY (barray, unsigned char *, int *, int, FILE *);
+static void writeCHARS (char *, unsigned char *, int *, int, FILE *);
+static void wr_tr (void);
+static void wr_un (struct coff_ofile *, struct coff_sfile *, int, int);
+static void wr_hd (struct coff_ofile *);
+static void wr_sh (struct coff_ofile *, struct coff_section *);
+static void wr_ob (struct coff_ofile *, struct coff_section *);
+static void wr_rl (struct coff_ofile *, struct coff_section *);
+static void wr_object_body (struct coff_ofile *);
+static void wr_dps_start
+  (struct coff_sfile *, struct coff_section *, struct coff_scope *, int, int);
+static void wr_dps_end (struct coff_section *, struct coff_scope *, int);
+static int *nints (int);
+static void walk_tree_type_1
+  (struct coff_sfile *, struct coff_symbol *, struct coff_type *, int);
+static void walk_tree_type
+  (struct coff_sfile *, struct coff_symbol *, struct coff_type *, int);
+static void walk_tree_symbol
+  (struct coff_sfile *, struct coff_section *, struct coff_symbol *, int);
+static void walk_tree_scope
+  (struct coff_section *, struct coff_sfile *, struct coff_scope *, int, int);
+static void walk_tree_sfile (struct coff_section *, struct coff_sfile *);
+static void wr_program_structure (struct coff_ofile *, struct coff_sfile *);
+static void wr_du (struct coff_ofile *, struct coff_sfile *, int);
+static void wr_dus (struct coff_ofile *, struct coff_sfile *);
+static int find_base (struct coff_sfile *, struct coff_section *);
+static void wr_dln (struct coff_ofile *, struct coff_sfile *, int);
+static void wr_globals (struct coff_ofile *, struct coff_sfile *, int);
+static void wr_debug (struct coff_ofile *);
+static void wr_cs (void);
+static int wr_sc (struct coff_ofile *, struct coff_sfile *);
+static void wr_er (struct coff_ofile *, struct coff_sfile *, int);
+static void wr_ed (struct coff_ofile *, struct coff_sfile *, int);
+static void wr_unit_info (struct coff_ofile *);
+static void wr_module (struct coff_ofile *);
+static int align (int);
+static void prescan (struct coff_ofile *);
+static void show_usage (FILE *, int);
+extern int main (int, char **);
+
+static FILE *file;
+static bfd *abfd;
+static int debug = 0;
+static int quick = 0;
+static int noprescan = 0;
+static struct coff_ofile *tree;
+/* Obsolete ??
+   static int absolute_p;
+ */
+
+static int segmented_p;
+static int code;
+
+static int ids1[20000];
+static int ids2[20000];
+
+static int base1 = 0x18;
+static int base2 = 0x2018;
+
+static int
+get_member_id (int x)
+{
+  if (ids2[x])
+    return ids2[x];
+
+  ids2[x] = base2++;
+  return ids2[x];
+}
+
+static int
+get_ordinary_id (int x)
+{
+  if (ids1[x])
+    return ids1[x];
+
+  ids1[x] = base1++;
+  return ids1[x];
+}
+static char *
+section_translate (char *n)
+{
+  if (strcmp (n, ".text") == 0)
+    return "P";
+  if (strcmp (n, ".data") == 0)
+    return "D";
+  if (strcmp (n, ".bss") == 0)
+    return "B";
+  return n;
+}
+
+#define DATE "940201073000";	/* Just a time on my birthday */
+
+static char *
+strip_suffix (const char *name)
+{
+  int i;
+  char *res;
+
+  for (i = 0; name[i] != 0 && name[i] != '.'; i++)
+    ;
+  res = (char *) xmalloc (i + 1);
+  memcpy (res, name, i);
+  res[i] = 0;
+  return res;
+}
+
+/* IT LEN stuff CS */
+static void
+checksum (FILE *ffile, unsigned char *ptr, int size, int ccode)
+{
+  int j;
+  int last;
+  int sum = 0;
+  int bytes = size / 8;
+
+  last = !(ccode & 0xff00);
+  if (size & 0x7)
+    abort ();
+  ptr[0] = ccode | (last ? 0x80 : 0);
+  ptr[1] = bytes + 1;
+
+  for (j = 0; j < bytes; j++)
+    sum += ptr[j];
+
+  /* Glue on a checksum too.  */
+  ptr[bytes] = ~sum;
+  if (fwrite (ptr, bytes + 1, 1, ffile) != 1)
+    /* FIXME: Return error status.  */
+    abort ();
+}
+
+
+static void
+writeINT (int n, unsigned char *ptr, int *idx, int size, FILE *ffile)
+{
+  int byte = *idx / 8;
+
+  if (size == -2)
+    size = addrsize;
+  else if (size == -1)
+    size = 0;
+
+  if (byte > 240)
+    {
+      /* Lets write out that record and do another one.  */
+      checksum (ffile, ptr, *idx, code | 0x1000);
+      *idx = 16;
+      byte = *idx / 8;
+    }
+
+  switch (size)
+    {
+    case 0:
+      break;
+    case 1:
+      ptr[byte] = n;
+      break;
+    case 2:
+      ptr[byte + 0] = n >> 8;
+      ptr[byte + 1] = n;
+      break;
+    case 4:
+      ptr[byte + 0] = n >> 24;
+      ptr[byte + 1] = n >> 16;
+      ptr[byte + 2] = n >> 8;
+      ptr[byte + 3] = n >> 0;
+      break;
+    default:
+      abort ();
+    }
+  *idx += size * 8;
+}
+
+static void
+writeBITS (int val, unsigned char *ptr, int *idx, int size)
+{
+  int byte = *idx / 8;
+  int bit = *idx % 8;
+  int old;
+
+  *idx += size;
+
+  old = ptr[byte];
+  /* Turn off all about to change bits.  */
+  old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
+  /* Turn on the bits we want.  */
+  old |= (val & ((1 << size) - 1)) << (8 - bit - size);
+  ptr[byte] = old;
+}
+
+static void
+writeBARRAY (barray data, unsigned char *ptr, int *idx,
+	     int size ATTRIBUTE_UNUSED, FILE *ffile)
+{
+  int i;
+
+  writeINT (data.len, ptr, idx, 1, ffile);
+  for (i = 0; i < data.len; i++)
+    writeINT (data.data[i], ptr, idx, 1, ffile);
+}
+
+static void
+writeCHARS (char *string, unsigned char *ptr, int *idx, int size, FILE *ffile)
+{
+  int i = *idx / 8;
+
+  if (i > 240)
+    {
+      /* Lets write out that record and do another one.  */
+      checksum (ffile, ptr, *idx, code | 0x1000);
+      *idx = 16;
+      i = *idx / 8;
+    }
+
+  if (size == 0)
+    {
+      /* Variable length string.  */
+      size = strlen (string);
+      ptr[i++] = size;
+    }
+
+  /* BUG WAITING TO HAPPEN.  */
+  memcpy (ptr + i, string, size);
+  i += size;
+  *idx = i * 8;
+}
+
+#define SYSROFF_SWAP_OUT
+#include "sysroff.c"
+
+static char *rname_sh[] =
+{
+  "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
+};
+
+static char *rname_h8300[] =
+{
+  "ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
+};
+
+static void
+wr_tr (void)
+{
+  /* The TR block is not normal - it doesn't have any contents.  */
+
+  static char b[] =
+    {
+      0xff,			/* IT */
+      0x03,			/* RL */
+      0xfd,			/* CS */
+    };
+
+  if (fwrite (b, sizeof (b), 1, file) != 1)
+    /* FIXME: Return error status.  */
+    abort ();
+}
+
+static void
+wr_un (struct coff_ofile *ptr, struct coff_sfile *sfile, int first,
+       int nsecs ATTRIBUTE_UNUSED)
+{
+  struct IT_un un;
+  struct coff_symbol *s;
+
+  un.spare1 = 0;
+
+  if (bfd_get_file_flags (abfd) & EXEC_P)
+    un.format = FORMAT_LM;
+  else
+    un.format = FORMAT_OM;
+  un.spare1 = 0;
+
+  /* Don't count the abs section.  */
+  un.nsections = ptr->nsections - 1;
+
+  un.nextdefs = 0;
+  un.nextrefs = 0;
+  /* Count all the undefined and defined variables with global scope.  */
+
+  if (first)
+    {
+      for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
+	{
+	  if (s->visible->type == coff_vis_ext_def
+	      || s->visible->type == coff_vis_common)
+	    un.nextdefs++;
+
+	  if (s->visible->type == coff_vis_ext_ref)
+	    un.nextrefs++;
+	}
+    }
+  un.tool = toolname;
+  un.tcd = DATE;
+  un.linker = "L_GX00";
+  un.lcd = DATE;
+  un.name = sfile->name;
+  sysroff_swap_un_out (file, &un);
+}
+
+static void
+wr_hd (struct coff_ofile *p)
+{
+  struct IT_hd hd;
+
+  hd.spare1 = 0;
+  if (bfd_get_file_flags (abfd) & EXEC_P)
+    hd.mt = MTYPE_ABS_LM;
+  else
+    hd.mt = MTYPE_OMS_OR_LMS;
+
+  hd.cd = DATE;
+
+  hd.nu = p->nsources;		/* Always one unit */
+  hd.code = 0;			/* Always ASCII */
+  hd.ver = "0200";		/* Version 2.00 */
+
+  switch (bfd_get_arch (abfd))
+    {
+    case bfd_arch_h8300:
+      hd.au = 8;
+      hd.si = 0;
+      hd.spcsz = 32;
+      hd.segsz = 0;
+      hd.segsh = 0;
+      switch (bfd_get_mach (abfd))
+	{
+	case bfd_mach_h8300:
+	  hd.cpu = "H8300";
+	  hd.afl = 2;
+	  addrsize = 2;
+	  toolname = "C_H8/300";
+	  break;
+	case bfd_mach_h8300h:
+	  hd.cpu = "H8300H";
+	  hd.afl = 4;
+	  addrsize = 4;
+	  toolname = "C_H8/300H";
+	  break;
+	case bfd_mach_h8300s:
+	  hd.cpu = "H8300S";
+	  hd.afl = 4;
+	  addrsize = 4;
+	  toolname = "C_H8/300S";
+	  break;
+	default:
+	  abort();
+	}
+      rnames = rname_h8300;
+      break;
+    case bfd_arch_sh:
+      hd.au = 8;
+      hd.si = 0;
+      hd.afl = 4;
+      hd.spcsz = 32;
+      hd.segsz = 0;
+      hd.segsh = 0;
+      hd.cpu = "SH";
+      addrsize = 4;
+      toolname = "C_SH";
+      rnames = rname_sh;
+      break;
+    default:
+      abort ();
+    }
+
+  if (! (bfd_get_file_flags(abfd) & EXEC_P))
+    {
+      hd.ep = 0;
+    }
+  else
+    {
+      hd.ep = 1;
+      hd.uan = 0;
+      hd.sa = 0;
+      hd.sad = 0;
+      hd.address = bfd_get_start_address (abfd);
+    }
+
+  hd.os = "";
+  hd.sys = "";
+  hd.mn = strip_suffix (bfd_get_filename (abfd));
+
+  sysroff_swap_hd_out (file, &hd);
+}
+
+
+static void
+wr_sh (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *sec)
+{
+  struct IT_sh sh;
+  sh.unit = 0;
+  sh.section = sec->number;
+#ifdef FOOP1
+  sh.section = 0;
+#endif
+  sysroff_swap_sh_out (file, &sh);
+}
+
+
+static void
+wr_ob (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *section)
+{
+  bfd_size_type i;
+  int first = 1;
+  unsigned char stuff[200];
+
+  i = 0;
+  while (i < bfd_get_section_size (section->bfd_section))
+    {
+      struct IT_ob ob;
+      int todo = 200;		/* Copy in 200 byte lumps.  */
+
+      ob.spare = 0;
+      if (i + todo > bfd_get_section_size (section->bfd_section))
+	todo = bfd_get_section_size (section->bfd_section) - i;
+
+      if (first)
+	{
+	  ob.saf = 1;
+	  if (bfd_get_file_flags (abfd) & EXEC_P)
+	    ob.address = section->address;
+	  else
+	    ob.address = 0;
+
+	  first = 0;
+	}
+      else
+	{
+	  ob.saf = 0;
+	}
+
+      ob.cpf = 0;		/* Never compress.  */
+      ob.data.len = todo;
+      bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
+      ob.data.data = stuff;
+      sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
+      i += todo;
+    }
+
+  /* Now fill the rest with blanks.  */
+  while (i < (bfd_size_type) section->size)
+    {
+      struct IT_ob ob;
+      int todo = 200;		/* Copy in 200 byte lumps.  */
+
+      ob.spare = 0;
+      if (i + todo > (bfd_size_type) section->size)
+	todo = section->size - i;
+      ob.saf = 0;
+
+      ob.cpf = 0;		/* Never compress.  */
+      ob.data.len = todo;
+      memset (stuff, 0, todo);
+      ob.data.data = stuff;
+      sysroff_swap_ob_out (file, &ob);
+      i += todo;
+    }
+  /* Now fill the rest with blanks.  */
+}
+
+static void
+wr_rl (struct coff_ofile *ptr ATTRIBUTE_UNUSED, struct coff_section *sec)
+{
+  int nr = sec->nrelocs;
+  int i;
+
+  for (i = 0; i < nr; i++)
+    {
+      struct coff_reloc *r = sec->relocs + i;
+      struct coff_symbol *ref;
+      struct IT_rl rl;
+
+      rl.apol = 0;
+      rl.boundary = 0;
+      rl.segment = 1;
+      rl.sign = 0;
+      rl.check = 0;
+      rl.addr = r->offset;
+      rl.bitloc = 0;
+      rl.flen = 32;		/* SH Specific.  */
+
+      /* What sort of reloc ? Look in the section to find out.  */
+      ref = r->symbol;
+      if (ref->visible->type == coff_vis_ext_ref)
+	{
+	  rl.bcount = 4;	/* Always 4 for us.  */
+	  rl.op = OP_EXT_REF;
+	  rl.symn = ref->er_number;
+	}
+      else if (ref->visible->type == coff_vis_common)
+	{
+	  rl.bcount = 11;	/* Always 11 for us.  */
+	  rl.op = OP_SEC_REF;
+	  rl.secn = ref->where->section->number;
+	  rl.copcode_is_3 = 3;
+	  rl.alength_is_4 = 4;
+	  rl.addend = ref->where->offset - ref->where->section->address;
+	  rl.aopcode_is_0x20 = 0x20;
+	}
+      else
+	{
+	  rl.bcount = 11;	/* Always 11 for us.  */
+	  rl.op = OP_SEC_REF;
+	  rl.secn = ref->where->section->number;
+	  rl.copcode_is_3 = 3;
+	  rl.alength_is_4 = 4;
+	  rl.addend = -ref->where->section->address;
+	  rl.aopcode_is_0x20 = 0x20;
+	}
+
+      rl.end = 0xff;
+
+      if (   rl.op == OP_SEC_REF
+	  || rl.op == OP_EXT_REF)
+	sysroff_swap_rl_out (file, &rl);
+    }
+}
+
+static void
+wr_object_body (struct coff_ofile *p)
+{
+  int i;
+
+  for (i = 1; i < p->nsections; i++)
+    {
+      wr_sh (p, p->sections + i);
+      wr_ob (p, p->sections + i);
+      wr_rl (p, p->sections + i);
+    }
+}
+
+static void
+wr_dps_start (struct coff_sfile *sfile,
+	      struct coff_section *section ATTRIBUTE_UNUSED,
+	      struct coff_scope *scope, int type, int nest)
+{
+  struct IT_dps dps;
+
+  dps.end = 0;
+  dps.opt = 0;
+  dps.type = type;
+
+  if (scope->sec)
+    {
+      dps.san = scope->sec->number;
+      dps.address = scope->offset - find_base (sfile, scope->sec);
+      dps.block_size = scope->size;
+
+      if (debug)
+	{
+	  printf ("DPS %s %d %x\n",
+		  sfile->name,
+		  nest,
+		  dps.address);
+	}
+    }
+  else
+    {
+      dps.san = 0;
+      dps.address = 0;
+      dps.block_size = 0;
+    }
+
+  dps.nesting = nest;
+  dps.neg = 0x1001;
+  sysroff_swap_dps_out (file, &dps);
+}
+
+static void
+wr_dps_end (struct coff_section *section ATTRIBUTE_UNUSED,
+	    struct coff_scope *scope ATTRIBUTE_UNUSED, int type)
+{
+  struct IT_dps dps;
+
+  dps.end = 1;
+  dps.type = type;
+  sysroff_swap_dps_out (file, &dps);
+}
+
+static int *
+nints (int x)
+{
+  return (int *) (xcalloc (sizeof (int), x));
+}
+
+static void
+walk_tree_type_1 (struct coff_sfile *sfile, struct coff_symbol *symbol,
+		  struct coff_type *type, int nest)
+{
+  switch (type->type)
+    {
+    case coff_secdef_type:
+    case coff_basic_type:
+      {
+	struct IT_dbt dbt;
+
+	switch (type->u.basic)
+	  {
+	  case T_NULL:
+	  case T_VOID:
+	    dbt.btype = BTYPE_VOID;
+	    dbt.sign = BTYPE_UNSPEC;
+	    dbt.fptype = FPTYPE_NOTSPEC;
+	    break;
+
+	  case T_CHAR:
+	    dbt.btype = BTYPE_CHAR;
+	    dbt.sign = BTYPE_UNSPEC;
+	    dbt.fptype = FPTYPE_NOTSPEC;
+	    break;
+
+	  case T_SHORT:
+	  case T_INT:
+	  case T_LONG:
+	    dbt.btype = BTYPE_INT;
+	    dbt.sign = SIGN_SIGNED;
+	    dbt.fptype = FPTYPE_NOTSPEC;
+	    break;
+
+	  case T_FLOAT:
+	    dbt.btype = BTYPE_FLOAT;
+	    dbt.fptype = FPTYPE_SINGLE;
+	    break;
+
+	  case T_DOUBLE:
+	    dbt.btype = BTYPE_FLOAT;
+	    dbt.fptype = FPTYPE_DOUBLE;
+	    break;
+
+	  case T_LNGDBL:
+	    dbt.btype = BTYPE_FLOAT;
+	    dbt.fptype = FPTYPE_EXTENDED;
+	    break;
+
+	  case T_UCHAR:
+	    dbt.btype = BTYPE_CHAR;
+	    dbt.sign = SIGN_UNSIGNED;
+	    dbt.fptype = FPTYPE_NOTSPEC;
+	    break;
+
+	  case T_USHORT:
+	  case T_UINT:
+	  case T_ULONG:
+	    dbt.btype = BTYPE_INT;
+	    dbt.sign = SIGN_UNSIGNED;
+	    dbt.fptype = FPTYPE_NOTSPEC;
+	    break;
+	  }
+
+	dbt.bitsize = type->size;
+	dbt.neg = 0x1001;
+	sysroff_swap_dbt_out (file, &dbt);
+	break;
+      }
+
+    case coff_pointer_type:
+      {
+	struct IT_dpt dpt;
+
+	dpt.dunno = 0;
+	walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
+	dpt.neg = 0x1001;
+	sysroff_swap_dpt_out (file, &dpt);
+	break;
+      }
+
+    case coff_function_type:
+      {
+	struct IT_dfp dfp;
+	struct coff_symbol *param;
+
+	dfp.end = 0;
+	dfp.spare = 0;
+	dfp.nparams = type->u.function.parameters->nvars;
+	dfp.neg = 0x1001;
+
+	walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
+
+	sysroff_swap_dfp_out (file, &dfp);
+
+	for (param = type->u.function.parameters->vars_head;
+	     param;
+	     param = param->next)
+	  walk_tree_symbol (sfile, 0, param, nest);
+
+	dfp.end = 1;
+	sysroff_swap_dfp_out (file, &dfp);
+	break;
+      }
+
+    case coff_structdef_type:
+      {
+	struct IT_dbt dbt;
+	struct IT_dds dds;
+	struct coff_symbol *member;
+
+	dds.spare = 0;
+	dbt.btype = BTYPE_STRUCT;
+	dbt.bitsize = type->size;
+	dbt.sign = SIGN_UNSPEC;
+	dbt.fptype = FPTYPE_NOTSPEC;
+	dbt.sid = get_member_id (type->u.astructdef.idx);
+	dbt.neg = 0x1001;
+	sysroff_swap_dbt_out (file, &dbt);
+	dds.end = 0;
+	dds.neg = 0x1001;
+	sysroff_swap_dds_out (file, &dds);
+
+	for (member = type->u.astructdef.elements->vars_head;
+	     member;
+	     member = member->next)
+	  walk_tree_symbol (sfile, 0, member, nest + 1);
+
+	dds.end = 1;
+	sysroff_swap_dds_out (file, &dds);
+
+      }
+      break;
+
+    case coff_structref_type:
+      {
+	struct IT_dbt dbt;
+
+	dbt.btype = BTYPE_TAG;
+	dbt.bitsize = type->size;
+	dbt.sign = SIGN_UNSPEC;
+	dbt.fptype = FPTYPE_NOTSPEC;
+
+	if (type->u.astructref.ref)
+	  dbt.sid = get_member_id (type->u.astructref.ref->number);
+	else
+	  dbt.sid = 0;
+
+	dbt.neg = 0x1001;
+	sysroff_swap_dbt_out (file, &dbt);
+      }
+      break;
+
+    case coff_array_type:
+      {
+	struct IT_dar dar;
+	int j;
+	int dims = 1;		/* Only output one dimension at a time.  */
+
+	dar.dims = dims;
+	dar.variable = nints (dims);
+	dar.subtype = nints (dims);
+	dar.spare = nints (dims);
+	dar.max_variable = nints (dims);
+	dar.maxspare = nints (dims);
+	dar.max = nints (dims);
+	dar.min_variable = nints (dims);
+	dar.min = nints (dims);
+	dar.minspare = nints (dims);
+	dar.neg = 0x1001;
+	dar.length = type->size / type->u.array.dim;
+
+	for (j = 0; j < dims; j++)
+	  {
+	    dar.variable[j] = VARIABLE_FIXED;
+	    dar.subtype[j] = SUB_INTEGER;
+	    dar.spare[j] = 0;
+	    dar.max_variable[j] = 0;
+	    dar.max[j] = type->u.array.dim;
+	    dar.min_variable[j] = 0;
+	    dar.min[j] = 1;	/* Why isn't this 0 ? */
+	  }
+	walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
+	sysroff_swap_dar_out (file, &dar);
+      }
+      break;
+
+    case coff_enumdef_type:
+      {
+	struct IT_dbt dbt;
+	struct IT_den den;
+	struct coff_symbol *member;
+
+	dbt.btype = BTYPE_ENUM;
+	dbt.bitsize = type->size;
+	dbt.sign = SIGN_UNSPEC;
+	dbt.fptype = FPTYPE_NOTSPEC;
+	dbt.sid = get_member_id (type->u.aenumdef.idx);
+	dbt.neg = 0x1001;
+	sysroff_swap_dbt_out (file, &dbt);
+
+	den.end = 0;
+	den.neg = 0x1001;
+	den.spare = 0;
+	sysroff_swap_den_out (file, &den);
+
+	for (member = type->u.aenumdef.elements->vars_head;
+	     member;
+	     member = member->next)
+	  walk_tree_symbol (sfile, 0, member, nest + 1);
+
+	den.end = 1;
+	sysroff_swap_den_out (file, &den);
+      }
+      break;
+
+    case coff_enumref_type:
+      {
+	struct IT_dbt dbt;
+
+	dbt.btype = BTYPE_TAG;
+	dbt.bitsize = type->size;
+	dbt.sign = SIGN_UNSPEC;
+	dbt.fptype = FPTYPE_NOTSPEC;
+	dbt.sid = get_member_id (type->u.aenumref.ref->number);
+	dbt.neg = 0x1001;
+	sysroff_swap_dbt_out (file, &dbt);
+      }
+      break;
+
+    default:
+      abort ();
+    }
+}
+
+/* Obsolete ?
+   static void
+   dty_start ()
+   {
+   struct IT_dty dty;
+   dty.end = 0;
+   dty.neg = 0x1001;
+   dty.spare = 0;
+   sysroff_swap_dty_out (file, &dty);
+   }
+
+   static void
+   dty_stop ()
+   {
+   struct IT_dty dty;
+   dty.end = 0;
+   dty.neg = 0x1001;
+   dty.end = 1;
+   sysroff_swap_dty_out (file, &dty);
+   }
+
+
+   static void
+   dump_tree_structure (sfile, symbol, type, nest)
+   struct coff_sfile *sfile;
+   struct coff_symbol *symbol;
+   struct coff_type *type;
+   int nest;
+   {
+   if (symbol->type->type == coff_function_type)
+   {
+
+
+   }
+
+   }
+ */
+
+static void
+walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
+		struct coff_type *type, int nest)
+{
+  if (symbol->type->type == coff_function_type)
+    {
+      struct IT_dty dty;
+
+      dty.end = 0;
+      dty.neg = 0x1001;
+
+      sysroff_swap_dty_out (file, &dty);
+      walk_tree_type_1 (sfile, symbol, type, nest);
+      dty.end = 1;
+      sysroff_swap_dty_out (file, &dty);
+
+      wr_dps_start (sfile,
+		    symbol->where->section,
+		    symbol->type->u.function.code,
+		    BLOCK_TYPE_FUNCTION, nest);
+      wr_dps_start (sfile, symbol->where->section,
+		    symbol->type->u.function.code,
+		    BLOCK_TYPE_BLOCK, nest);
+      walk_tree_scope (symbol->where->section,
+		       sfile,
+		       symbol->type->u.function.code,
+		       nest + 1, BLOCK_TYPE_BLOCK);
+
+      wr_dps_end (symbol->where->section,
+		  symbol->type->u.function.code,
+		  BLOCK_TYPE_BLOCK);
+      wr_dps_end (symbol->where->section,
+		  symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
+    }
+  else
+    {
+      struct IT_dty dty;
+
+      dty.end = 0;
+      dty.neg = 0x1001;
+      sysroff_swap_dty_out (file, &dty);
+      walk_tree_type_1 (sfile, symbol, type, nest);
+      dty.end = 1;
+      sysroff_swap_dty_out (file, &dty);
+    }
+}
+
+static void
+walk_tree_symbol (struct coff_sfile *sfile, struct coff_section *section ATTRIBUTE_UNUSED, struct coff_symbol *symbol, int nest)
+{
+  struct IT_dsy dsy;
+
+  memset (&dsy, 0, sizeof(dsy));
+  dsy.nesting = nest;
+
+  switch (symbol->type->type)
+    {
+    case coff_function_type:
+      dsy.type = STYPE_FUNC;
+      dsy.assign = 1;
+      break;
+
+    case coff_structref_type:
+    case coff_pointer_type:
+    case coff_array_type:
+    case coff_basic_type:
+    case coff_enumref_type:
+      dsy.type = STYPE_VAR;
+      dsy.assign = 1;
+      break;
+
+    case coff_enumdef_type:
+      dsy.type = STYPE_TAG;
+      dsy.assign = 0;
+      dsy.magic = 2;
+      break;
+
+    case coff_structdef_type:
+      dsy.type = STYPE_TAG;
+      dsy.assign = 0;
+      dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
+      break;
+
+    case coff_secdef_type:
+      return;
+
+    default:
+      abort ();
+    }
+
+  if (symbol->where->where == coff_where_member_of_struct)
+    {
+      dsy.assign = 0;
+      dsy.type = STYPE_MEMBER;
+    }
+
+  if (symbol->where->where == coff_where_member_of_enum)
+    {
+      dsy.type = STYPE_ENUM;
+      dsy.assign = 0;
+      dsy.evallen = 4;
+      dsy.evalue = symbol->where->offset;
+    }
+
+  if (symbol->type->type == coff_structdef_type
+      || symbol->where->where == coff_where_entag
+      || symbol->where->where == coff_where_strtag)
+    {
+      dsy.snumber = get_member_id (symbol->number);
+    }
+  else
+    {
+      dsy.snumber = get_ordinary_id (symbol->number);
+    }
+
+  dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
+
+  switch (symbol->visible->type)
+    {
+    case coff_vis_common:
+    case coff_vis_ext_def:
+      dsy.ainfo = AINFO_STATIC_EXT_DEF;
+      break;
+
+    case coff_vis_ext_ref:
+      dsy.ainfo = AINFO_STATIC_EXT_REF;
+      break;
+
+    case coff_vis_int_def:
+      dsy.ainfo = AINFO_STATIC_INT;
+      break;
+
+    case coff_vis_auto:
+    case coff_vis_autoparam:
+      dsy.ainfo = AINFO_AUTO;
+      break;
+
+    case coff_vis_register:
+    case coff_vis_regparam:
+      dsy.ainfo = AINFO_REG;
+      break;
+      break;
+
+    case coff_vis_tag:
+    case coff_vis_member_of_struct:
+    case coff_vis_member_of_enum:
+      break;
+
+    default:
+      abort ();
+    }
+
+  dsy.dlength = symbol->type->size;
+
+  switch (symbol->where->where)
+    {
+    case coff_where_memory:
+
+      dsy.section = symbol->where->section->number;
+#ifdef FOOP
+      dsy.section = 0;
+#endif
+      break;
+
+    case coff_where_member_of_struct:
+    case coff_where_member_of_enum:
+    case coff_where_stack:
+    case coff_where_register:
+    case coff_where_unknown:
+    case coff_where_strtag:
+    case coff_where_entag:
+    case coff_where_typedef:
+      break;
+
+    default:
+      abort ();
+    }
+
+  switch (symbol->where->where)
+    {
+    case coff_where_memory:
+      dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
+      break;
+
+    case coff_where_stack:
+      dsy.address = symbol->where->offset;
+      break;
+
+    case coff_where_member_of_struct:
+      if (symbol->where->bitsize)
+	{
+	  int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
+	  dsy.bitunit = 1;
+	  dsy.field_len = symbol->where->bitsize;
+	  dsy.field_off = (bits / 32) * 4;
+	  dsy.field_bitoff = bits % 32;
+	}
+      else
+	{
+	  dsy.bitunit = 0;
+
+	  dsy.field_len = symbol->type->size;
+	  dsy.field_off = symbol->where->offset;
+	}
+      break;
+
+    case coff_where_member_of_enum:
+      /*      dsy.bitunit = 0;
+         dsy.field_len  = symbol->type->size;
+         dsy.field_off = symbol->where->offset; */
+      break;
+
+    case coff_where_register:
+    case coff_where_unknown:
+    case coff_where_strtag:
+    case coff_where_entag:
+    case coff_where_typedef:
+      break;
+
+    default:
+      abort ();
+    }
+
+  if (symbol->where->where == coff_where_register)
+    dsy.reg = rnames[symbol->where->offset];
+
+  switch (symbol->visible->type)
+    {
+    case coff_vis_common:
+      /* We do this 'cause common C symbols are treated as extdefs.  */
+    case coff_vis_ext_def:
+    case coff_vis_ext_ref:
+      dsy.ename = symbol->name;
+      break;
+
+    case coff_vis_regparam:
+    case coff_vis_autoparam:
+      dsy.type = STYPE_PARAMETER;
+      break;
+
+    case coff_vis_int_def:
+    case coff_vis_auto:
+    case coff_vis_register:
+    case coff_vis_tag:
+    case coff_vis_member_of_struct:
+    case coff_vis_member_of_enum:
+      break;
+
+    default:
+      abort ();
+    }
+
+  dsy.sfn = 0;
+  dsy.sln = 2;
+  dsy.neg = 0x1001;
+
+  sysroff_swap_dsy_out (file, &dsy);
+
+  walk_tree_type (sfile, symbol, symbol->type, nest);
+}
+
+static void
+walk_tree_scope (struct coff_section *section, struct coff_sfile *sfile, struct coff_scope *scope, int nest, int type)
+{
+  struct coff_symbol *vars;
+  struct coff_scope *child;
+
+  if (scope->vars_head
+      || (scope->list_head && scope->list_head->vars_head))
+    {
+      wr_dps_start (sfile, section, scope, type, nest);
+
+      if (nest == 0)
+	wr_globals (tree, sfile, nest + 1);
+
+      for (vars = scope->vars_head; vars; vars = vars->next)
+	walk_tree_symbol (sfile, section, vars, nest);
+
+      for (child = scope->list_head; child; child = child->next)
+	walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
+
+      wr_dps_end (section, scope, type);
+    }
+}
+
+static void
+walk_tree_sfile (struct coff_section *section, struct coff_sfile *sfile)
+{
+  walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
+}
+
+static void
+wr_program_structure (struct coff_ofile *p, struct coff_sfile *sfile)
+{
+  walk_tree_sfile (p->sections + 4, sfile);
+}
+
+static void
+wr_du (struct coff_ofile *p, struct coff_sfile *sfile, int n)
+{
+  struct IT_du du;
+  int lim;
+  int i;
+  int j;
+  unsigned int *lowest = (unsigned *) nints (p->nsections);
+  unsigned int *highest = (unsigned *) nints (p->nsections);
+
+  du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
+  du.optimized = 0;
+  du.stackfrmt = 0;
+  du.spare = 0;
+  du.unit = n;
+  du.sections = p->nsections - 1;
+  du.san = (int *) xcalloc (sizeof (int), du.sections);
+  du.address = nints (du.sections);
+  du.length = nints (du.sections);
+
+  for (i = 0; i < du.sections; i++)
+    {
+      lowest[i] = ~0;
+      highest[i] = 0;
+    }
+
+  lim = du.sections;
+  for (j = 0; j < lim; j++)
+    {
+      int src = j;
+      int dst = j;
+
+      du.san[dst] = dst;
+
+      if (sfile->section[src].init)
+	{
+	  du.length[dst]
+	    = sfile->section[src].high - sfile->section[src].low + 1;
+	  du.address[dst]
+	    = sfile->section[src].low;
+	}
+      else
+	{
+	  du.length[dst] = 0;
+	  du.address[dst] = 0;
+	}
+
+      if (debug)
+	{
+	  if (sfile->section[src].parent)
+	    {
+	      printf (" section %6s 0x%08x..0x%08x\n",
+		      sfile->section[src].parent->name,
+		      du.address[dst],
+		      du.address[dst] + du.length[dst] - 1);
+	    }
+	}
+
+      du.sections = dst + 1;
+    }
+
+  du.tool = "c_gcc";
+  du.date = DATE;
+
+  sysroff_swap_du_out (file, &du);
+}
+
+static void
+wr_dus (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile)
+{
+  struct IT_dus dus;
+
+  dus.efn = 0x1001;
+  dus.ns = 1;			/* p->nsources; sac 14 jul 94 */
+  dus.drb = nints (dus.ns);
+  dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
+  dus.spare = nints (dus.ns);
+  dus.ndir = 0;
+  /* Find the filenames.  */
+  dus.drb[0] = 0;
+  dus.fname[0] = sfile->name;
+
+  sysroff_swap_dus_out (file, &dus);
+
+}
+
+/* Find the offset of the .text section for this sfile in the
+   .text section for the output file.  */
+
+static int
+find_base (struct coff_sfile *sfile, struct coff_section *section)
+{
+  return sfile->section[section->number].low;
+}
+
+static void
+wr_dln (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile,
+	int n ATTRIBUTE_UNUSED)
+{
+  /* Count up all the linenumbers */
+
+  struct coff_symbol *sy;
+  int lc = 0;
+  struct IT_dln dln;
+
+  int idx;
+
+  for (sy = sfile->scope->vars_head;
+       sy;
+       sy = sy->next)
+    {
+      struct coff_type *t = sy->type;
+      if (t->type == coff_function_type)
+	{
+	  struct coff_line *l = t->u.function.lines;
+	  if (l)
+	    lc += l->nlines;
+	}
+    }
+
+  dln.sfn = nints (lc);
+  dln.sln = nints (lc);
+  dln.cc = nints (lc);
+  dln.section = nints (lc);
+
+  dln.from_address = nints (lc);
+  dln.to_address = nints (lc);
+
+
+  dln.neg = 0x1001;
+
+  dln.nln = lc;
+
+  /* Run through once more and fill up the structure */
+  idx = 0;
+  for (sy = sfile->scope->vars_head;
+       sy;
+       sy = sy->next)
+    {
+      if (sy->type->type == coff_function_type)
+	{
+	  int i;
+	  struct coff_line *l = sy->type->u.function.lines;
+	  if (l)
+	    {
+	      int base = find_base (sfile, sy->where->section);
+	      for (i = 0; i < l->nlines; i++)
+		{
+		  dln.section[idx] = sy->where->section->number;
+		  dln.sfn[idx] = 0;
+		  dln.sln[idx] = l->lines[i];
+		  dln.from_address[idx] =
+		    l->addresses[i] + sy->where->section->address - base;
+		  dln.cc[idx] = 0;
+		  if (idx)
+		    dln.to_address[idx - 1] = dln.from_address[idx];
+		  idx++;
+
+		}
+	      dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
+	    }
+	}
+    }
+  if (lc)
+    sysroff_swap_dln_out (file, &dln);
+}
+
+/* Write the global symbols out to the debug info.  */
+
+static void
+wr_globals (struct coff_ofile *p, struct coff_sfile *sfile,
+	    int n ATTRIBUTE_UNUSED)
+{
+  struct coff_symbol *sy;
+
+  for (sy = p->symbol_list_head;
+       sy;
+       sy = sy->next_in_ofile_list)
+    {
+      if (sy->visible->type == coff_vis_ext_def
+	  || sy->visible->type == coff_vis_ext_ref)
+	{
+	  /* Only write out symbols if they belong to
+	     the current source file.  */
+	  if (sy->sfile == sfile)
+	    walk_tree_symbol (sfile, 0, sy, 0);
+	}
+    }
+}
+
+static void
+wr_debug (struct coff_ofile *p)
+{
+  struct coff_sfile *sfile;
+  int n = 0;
+
+  for (sfile = p->source_head;
+       sfile;
+       sfile = sfile->next)
+    {
+      if (debug)
+	printf ("%s\n", sfile->name);
+
+      wr_du (p, sfile, n);
+      wr_dus (p, sfile);
+      wr_program_structure (p, sfile);
+      wr_dln (p, sfile, n);
+      n++;
+    }
+}
+
+static void
+wr_cs (void)
+{
+  /* It seems that the CS struct is not normal - the size is wrong
+     heres one I prepared earlier.  */
+  static char b[] =
+    {
+    0x80,			/* IT */
+    0x21,			/* RL */
+    0x00,			/* number of chars in variable length part */
+    0x80,			/* hd */
+    0x00,			/* hs */
+    0x80,			/* un */
+    0x00,			/* us */
+    0x80,			/* sc */
+    0x00,			/* ss */
+    0x80,			/* er */
+    0x80,			/* ed */
+    0x80,			/* sh */
+    0x80,			/* ob */
+    0x80,			/* rl */
+    0x80,			/* du */
+    0x80,			/* dps */
+    0x80,			/* dsy */
+    0x80,			/* dty */
+    0x80,			/* dln */
+    0x80,			/* dso */
+    0x80,			/* dus */
+    0x00,			/* dss */
+    0x80,			/* dbt */
+    0x00,			/* dpp */
+    0x80,			/* dfp */
+    0x80,			/* den */
+    0x80,			/* dds */
+    0x80,			/* dar */
+    0x80,			/* dpt */
+    0x00,			/* dul */
+    0x00,			/* dse */
+    0x00,			/* dot */
+    0xDE			/* CS */
+  };
+
+  if (fwrite (b, sizeof (b), 1, file) != 1)
+    /* FIXME: Return error status.  */
+    abort ();
+}
+
+/* Write out the SC records for a unit.  Create an SC
+   for all the sections which appear in the output file, even
+   if there isn't an equivalent one on the input.  */
+
+static int
+wr_sc (struct coff_ofile *ptr, struct coff_sfile *sfile)
+{
+  int i;
+  int scount = 0;
+  /* First work out the total number of sections.  */
+  int total_sec = ptr->nsections;
+  struct myinfo
+    {
+      struct coff_section *sec;
+      struct coff_symbol *symbol;
+    };
+  struct coff_symbol *symbol;
+  struct myinfo *info
+    = (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
+
+
+  for (i = 0; i < total_sec; i++)
+    {
+      info[i].sec = ptr->sections + i;
+      info[i].symbol = 0;
+    }
+
+  for (symbol = sfile->scope->vars_head;
+       symbol;
+       symbol = symbol->next)
+    {
+
+      if (symbol->type->type == coff_secdef_type)
+	{
+	  for (i = 0; i < total_sec; i++)
+	    {
+	      if (symbol->where->section == info[i].sec)
+		{
+		  info[i].symbol = symbol;
+		  break;
+		}
+	    }
+	}
+    }
+
+  /* Now output all the section info, and fake up some stuff for sections
+     we don't have.  */
+  for (i = 1; i < total_sec; i++)
+    {
+      struct IT_sc sc;
+      char *name;
+
+      symbol = info[i].symbol;
+      sc.spare = 0;
+      sc.spare1 = 0;
+
+      if (!symbol)
+	{
+	  /* Don't have a symbol set aside for this section, which means
+	     that nothing in this file does anything for the section.  */
+	  sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
+	  sc.addr = 0;
+	  sc.length = 0;
+	  name = info[i].sec->name;
+	}
+      else
+	{
+	  if (bfd_get_file_flags (abfd) & EXEC_P)
+	    {
+	      sc.format = 0;
+	      sc.addr = symbol->where->offset;
+	    }
+	  else
+	    {
+	      sc.format = 1;
+	      sc.addr = 0;
+	    }
+	  sc.length = symbol->type->size;
+	  name = symbol->name;
+	}
+
+      sc.align = 4;
+      sc.concat = CONCAT_SIMPLE;
+      sc.read = 3;
+      sc.write = 3;
+      sc.exec = 3;
+      sc.init = 3;
+      sc.mode = 3;
+      sc.spare = 0;
+      sc.segadd = 0;
+      sc.spare1 = 0;		/* If not zero, then it doesn't work.  */
+      sc.name = section_translate (name);
+
+      if (strlen (sc.name) == 1)
+	{
+	  switch (sc.name[0])
+	    {
+	    case 'D':
+	    case 'B':
+	      sc.contents = CONTENTS_DATA;
+	      break;
+
+	    default:
+	      sc.contents = CONTENTS_CODE;
+	    }
+	}
+      else
+	{
+	  sc.contents = CONTENTS_CODE;
+	}
+
+      sysroff_swap_sc_out (file, &sc);
+      scount++;
+    }
+  free (info);
+  return scount;
+}
+
+/* Write out the ER records for a unit.  */
+
+static void
+wr_er (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
+       int first)
+{
+  int idx = 0;
+  struct coff_symbol *sym;
+
+  if (first)
+    {
+      for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
+	{
+	  if (sym->visible->type == coff_vis_ext_ref)
+	    {
+	      struct IT_er er;
+
+	      er.spare = 0;
+	      er.type = ER_NOTSPEC;
+	      er.name = sym->name;
+	      sysroff_swap_er_out (file, &er);
+	      sym->er_number = idx++;
+	    }
+	}
+    }
+}
+
+/* Write out the ED records for a unit.  */
+
+static void
+wr_ed (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
+       int first)
+{
+  struct coff_symbol *s;
+
+  if (first)
+    {
+      for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
+	{
+	  if (s->visible->type == coff_vis_ext_def
+	      || s->visible->type == coff_vis_common)
+	    {
+	      struct IT_ed ed;
+
+	      ed.section = s->where->section->number;
+	      ed.spare = 0;
+
+	      if (s->where->section->data)
+		{
+		  ed.type = ED_TYPE_DATA;
+		}
+	      else if (s->where->section->code & SEC_CODE)
+		{
+		  ed.type = ED_TYPE_ENTRY;
+		}
+	      else
+		{
+		  ed.type = ED_TYPE_NOTSPEC;
+		  ed.type = ED_TYPE_DATA;
+		}
+
+	      ed.address = s->where->offset - s->where->section->address;
+	      ed.name = s->name;
+	      sysroff_swap_ed_out (file, &ed);
+	    }
+	}
+    }
+}
+
+static void
+wr_unit_info (struct coff_ofile *ptr)
+{
+  struct coff_sfile *sfile;
+  int first = 1;
+
+  for (sfile = ptr->source_head;
+       sfile;
+       sfile = sfile->next)
+    {
+      long p1;
+      long p2;
+      int nsecs;
+
+      p1 = ftell (file);
+      wr_un (ptr, sfile, first, 0);
+      nsecs = wr_sc (ptr, sfile);
+      p2 = ftell (file);
+      fseek (file, p1, SEEK_SET);
+      wr_un (ptr, sfile, first, nsecs);
+      fseek (file, p2, SEEK_SET);
+      wr_er (ptr, sfile, first);
+      wr_ed (ptr, sfile, first);
+      first = 0;
+    }
+}
+
+static void
+wr_module (struct coff_ofile *p)
+{
+  wr_cs ();
+  wr_hd (p);
+  wr_unit_info (p);
+  wr_object_body (p);
+  wr_debug (p);
+  wr_tr ();
+}
+
+static int
+align (int x)
+{
+  return (x + 3) & ~3;
+}
+
+/* Find all the common variables and turn them into
+   ordinary defs - dunno why, but thats what hitachi does with 'em.  */
+
+static void
+prescan (struct coff_ofile *otree)
+{
+  struct coff_symbol *s;
+  struct coff_section *common_section;
+
+  /* Find the common section - always section 3.  */
+  common_section = otree->sections + 3;
+
+  for (s = otree->symbol_list_head;
+       s;
+       s = s->next_in_ofile_list)
+    {
+      if (s->visible->type == coff_vis_common)
+	{
+	  struct coff_where *w = s->where;
+
+	  /*      s->visible->type = coff_vis_ext_def; leave it as common */
+	  common_section->size = align (common_section->size);
+	  w->offset = common_section->size + common_section->address;
+	  w->section = common_section;
+	  common_section->size += s->type->size;
+	  common_section->size = align (common_section->size);
+	}
+    }
+}
+
+char *program_name;
+
+static void
+show_usage (FILE *ffile, int status)
+{
+  fprintf (ffile, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
+  fprintf (ffile, _("Convert a COFF object file into a SYSROFF object file\n"));
+  fprintf (ffile, _(" The options are:\n\
+  -q --quick       (Obsolete - ignored)\n\
+  -n --noprescan   Do not perform a scan to convert commons into defs\n\
+  -d --debug       Display information about what is being done\n\
+  @<file>          Read options from <file>\n\
+  -h --help        Display this information\n\
+  -v --version     Print the program's version number\n"));
+
+  if (REPORT_BUGS_TO[0] && status == 0)
+    fprintf (ffile, _("Report bugs to %s\n"), REPORT_BUGS_TO);
+  exit (status);
+}
+
+int
+main (int ac, char **av)
+{
+  int opt;
+  static struct option long_options[] =
+  {
+    {"debug", no_argument, 0, 'd'},
+    {"quick", no_argument, 0, 'q'},
+    {"noprescan", no_argument, 0, 'n'},
+    {"help", no_argument, 0, 'h'},
+    {"version", no_argument, 0, 'V'},
+    {NULL, no_argument, 0, 0}
+  };
+  char **matching;
+  char *input_file;
+  char *output_file;
+
+#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+  setlocale (LC_MESSAGES, "");
+#endif
+#if defined (HAVE_SETLOCALE)
+  setlocale (LC_CTYPE, "");
+#endif
+  bindtextdomain (PACKAGE, LOCALEDIR);
+  textdomain (PACKAGE);
+
+  program_name = av[0];
+  xmalloc_set_program_name (program_name);
+
+  expandargv (&ac, &av);
+
+  while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
+			     (int *) NULL))
+	 != EOF)
+    {
+      switch (opt)
+	{
+	case 'q':
+	  quick = 1;
+	  break;
+	case 'n':
+	  noprescan = 1;
+	  break;
+	case 'd':
+	  debug = 1;
+	  break;
+	case 'H':
+	case 'h':
+	  show_usage (stdout, 0);
+	  /*NOTREACHED */
+	case 'v':
+	case 'V':
+	  print_version ("srconv");
+	  exit (0);
+	  /*NOTREACHED */
+	case 0:
+	  break;
+	default:
+	  show_usage (stderr, 1);
+	  /*NOTREACHED */
+	}
+    }
+
+  /* The input and output files may be named on the command line.  */
+  output_file = NULL;
+  if (optind < ac)
+    {
+      input_file = av[optind];
+      ++optind;
+      if (optind < ac)
+	{
+	  output_file = av[optind];
+	  ++optind;
+	  if (optind < ac)
+	    show_usage (stderr, 1);
+	  if (filename_cmp (input_file, output_file) == 0)
+	    {
+	      fatal (_("input and output files must be different"));
+	    }
+	}
+    }
+  else
+    input_file = 0;
+
+  if (!input_file)
+    {
+      fatal (_("no input file specified"));
+    }
+
+  if (!output_file)
+    {
+      /* Take a .o off the input file and stick on a .obj.  If
+         it doesn't end in .o, then stick a .obj on anyway */
+
+      int len = strlen (input_file);
+
+      output_file = xmalloc (len + 5);
+      strcpy (output_file, input_file);
+
+      if (len > 3
+	  && output_file[len - 2] == '.'
+	  && output_file[len - 1] == 'o')
+	{
+	  output_file[len] = 'b';
+	  output_file[len + 1] = 'j';
+	  output_file[len + 2] = 0;
+	}
+      else
+	{
+	  strcat (output_file, ".obj");
+	}
+    }
+
+  abfd = bfd_openr (input_file, 0);
+
+  if (!abfd)
+    bfd_fatal (input_file);
+
+  if (!bfd_check_format_matches (abfd, bfd_object, &matching))
+    {
+      bfd_nonfatal (input_file);
+
+      if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
+	{
+	  list_matching_formats (matching);
+	  free (matching);
+	}
+      exit (1);
+    }
+
+  file = fopen (output_file, FOPEN_WB);
+
+  if (!file)
+    fatal (_("unable to open output file %s"), output_file);
+
+  if (debug)
+    printf ("ids %d %d\n", base1, base2);
+
+  tree = coff_grok (abfd);
+
+  if (!noprescan)
+    prescan (tree);
+
+  wr_module (tree);
+  return 0;
+}