1/* srconv.c -- Sysroff conversion program
2   Copyright (C) 1994-2017 Free Software Foundation, Inc.
3
4   This file is part of GNU Binutils.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
19   02110-1301, USA.  */
20
21/* Written by Steve Chamberlain (sac@cygnus.com)
22
23   This program can be used to convert a coff object file
24   into a Hitachi OM/LM (Sysroff) format.
25
26   All debugging information is preserved */
27
28#include "sysdep.h"
29#include "bfd.h"
30#include "bucomm.h"
31#include "sysroff.h"
32#include "coffgrok.h"
33#include "libiberty.h"
34#include "filenames.h"
35#include "getopt.h"
36
37#include "coff/internal.h"
38#include "../bfd/libcoff.h"
39
40/*#define FOOP1 1 */
41
42static int addrsize;
43static char *toolname;
44static char **rnames;
45
46static void walk_tree_symbol
47  (struct coff_sfile *, struct coff_section *, struct coff_symbol *, int);
48static void walk_tree_scope
49  (struct coff_section *, struct coff_sfile *, struct coff_scope *, int, int);
50static int find_base (struct coff_sfile *, struct coff_section *);
51static void wr_globals (struct coff_ofile *, struct coff_sfile *, int);
52
53static FILE *file;
54static bfd *abfd;
55static int debug = 0;
56static int quick = 0;
57static int noprescan = 0;
58static struct coff_ofile *tree;
59/* Obsolete ??
60   static int absolute_p;
61 */
62
63static int segmented_p;
64static int code;
65
66static int ids1[20000];
67static int ids2[20000];
68
69static int base1 = 0x18;
70static int base2 = 0x2018;
71
72static int
73get_member_id (int x)
74{
75  if (ids2[x])
76    return ids2[x];
77
78  ids2[x] = base2++;
79  return ids2[x];
80}
81
82static int
83get_ordinary_id (int x)
84{
85  if (ids1[x])
86    return ids1[x];
87
88  ids1[x] = base1++;
89  return ids1[x];
90}
91static char *
92section_translate (char *n)
93{
94  if (strcmp (n, ".text") == 0)
95    return "P";
96  if (strcmp (n, ".data") == 0)
97    return "D";
98  if (strcmp (n, ".bss") == 0)
99    return "B";
100  return n;
101}
102
103#define DATE "940201073000";	/* Just a time on my birthday */
104
105static char *
106strip_suffix (const char *name)
107{
108  int i;
109  char *res;
110
111  for (i = 0; name[i] != 0 && name[i] != '.'; i++)
112    ;
113  res = (char *) xmalloc (i + 1);
114  memcpy (res, name, i);
115  res[i] = 0;
116  return res;
117}
118
119/* IT LEN stuff CS */
120static void
121checksum (FILE *ffile, unsigned char *ptr, int size, int ccode)
122{
123  int j;
124  int last;
125  int sum = 0;
126  int bytes = size / 8;
127
128  last = !(ccode & 0xff00);
129  if (size & 0x7)
130    fatal (_("Checksum failure"));
131
132  ptr[0] = ccode | (last ? 0x80 : 0);
133  ptr[1] = bytes + 1;
134
135  for (j = 0; j < bytes; j++)
136    sum += ptr[j];
137
138  /* Glue on a checksum too.  */
139  ptr[bytes] = ~sum;
140  if (fwrite (ptr, bytes + 1, 1, ffile) != 1)
141    /* FIXME: Return error status.  */
142    fatal (_("Failed to write checksum"));
143}
144
145
146static void
147writeINT (int n, unsigned char *ptr, int *idx, int size, FILE *ffile)
148{
149  int byte = *idx / 8;
150
151  if (size == -2)
152    size = addrsize;
153  else if (size == -1)
154    size = 0;
155
156  if (byte > 240)
157    {
158      /* Lets write out that record and do another one.  */
159      checksum (ffile, ptr, *idx, code | 0x1000);
160      *idx = 16;
161      byte = *idx / 8;
162    }
163
164  switch (size)
165    {
166    case 0:
167      break;
168    case 1:
169      ptr[byte] = n;
170      break;
171    case 2:
172      ptr[byte + 0] = n >> 8;
173      ptr[byte + 1] = n;
174      break;
175    case 4:
176      ptr[byte + 0] = n >> 24;
177      ptr[byte + 1] = n >> 16;
178      ptr[byte + 2] = n >> 8;
179      ptr[byte + 3] = n >> 0;
180      break;
181    default:
182      fatal (_("Unsupported integer write size: %d"), size);
183    }
184  *idx += size * 8;
185}
186
187static void
188writeBITS (int val, unsigned char *ptr, int *idx, int size)
189{
190  int byte = *idx / 8;
191  int bit = *idx % 8;
192  int old;
193
194  *idx += size;
195
196  old = ptr[byte];
197  /* Turn off all about to change bits.  */
198  old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
199  /* Turn on the bits we want.  */
200  old |= (val & ((1 << size) - 1)) << (8 - bit - size);
201  ptr[byte] = old;
202}
203
204static void
205writeBARRAY (barray data, unsigned char *ptr, int *idx,
206	     int size ATTRIBUTE_UNUSED, FILE *ffile)
207{
208  int i;
209
210  writeINT (data.len, ptr, idx, 1, ffile);
211  for (i = 0; i < data.len; i++)
212    writeINT (data.data[i], ptr, idx, 1, ffile);
213}
214
215static void
216writeCHARS (char *string, unsigned char *ptr, int *idx, int size, FILE *ffile)
217{
218  int i = *idx / 8;
219
220  if (i > 240)
221    {
222      /* Lets write out that record and do another one.  */
223      checksum (ffile, ptr, *idx, code | 0x1000);
224      *idx = 16;
225      i = *idx / 8;
226    }
227
228  if (size == 0)
229    {
230      /* Variable length string.  */
231      size = strlen (string);
232      ptr[i++] = size;
233    }
234
235  /* BUG WAITING TO HAPPEN.  */
236  memcpy (ptr + i, string, size);
237  i += size;
238  *idx = i * 8;
239}
240
241#define SYSROFF_SWAP_OUT
242#include "sysroff.c"
243
244static char *rname_sh[] =
245{
246  "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
247};
248
249static char *rname_h8300[] =
250{
251  "ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
252};
253
254static void
255wr_tr (void)
256{
257  /* The TR block is not normal - it doesn't have any contents.  */
258
259  static char b[] =
260    {
261      0xff,			/* IT */
262      0x03,			/* RL */
263      0xfd,			/* CS */
264    };
265
266  if (fwrite (b, sizeof (b), 1, file) != 1)
267    /* FIXME: Return error status.  */
268    fatal (_("Failed to write TR block"));
269}
270
271static void
272wr_un (struct coff_ofile *ptr, struct coff_sfile *sfile, int first,
273       int nsecs ATTRIBUTE_UNUSED)
274{
275  struct IT_un un;
276  struct coff_symbol *s;
277
278  un.spare1 = 0;
279
280  if (bfd_get_file_flags (abfd) & EXEC_P)
281    un.format = FORMAT_LM;
282  else
283    un.format = FORMAT_OM;
284  un.spare1 = 0;
285
286  /* Don't count the abs section.  */
287  un.nsections = ptr->nsections - 1;
288
289  un.nextdefs = 0;
290  un.nextrefs = 0;
291  /* Count all the undefined and defined variables with global scope.  */
292
293  if (first)
294    {
295      for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
296	{
297	  if (s->visible->type == coff_vis_ext_def
298	      || s->visible->type == coff_vis_common)
299	    un.nextdefs++;
300
301	  if (s->visible->type == coff_vis_ext_ref)
302	    un.nextrefs++;
303	}
304    }
305  un.tool = toolname;
306  un.tcd = DATE;
307  un.linker = "L_GX00";
308  un.lcd = DATE;
309  un.name = sfile->name;
310  sysroff_swap_un_out (file, &un);
311}
312
313static void
314wr_hd (struct coff_ofile *p)
315{
316  struct IT_hd hd;
317
318  hd.spare1 = 0;
319  if (bfd_get_file_flags (abfd) & EXEC_P)
320    hd.mt = MTYPE_ABS_LM;
321  else
322    hd.mt = MTYPE_OMS_OR_LMS;
323
324  hd.cd = DATE;
325
326  hd.nu = p->nsources;		/* Always one unit */
327  hd.code = 0;			/* Always ASCII */
328  hd.ver = "0200";		/* Version 2.00 */
329
330  switch (bfd_get_arch (abfd))
331    {
332    case bfd_arch_h8300:
333      hd.au = 8;
334      hd.si = 0;
335      hd.spcsz = 32;
336      hd.segsz = 0;
337      hd.segsh = 0;
338      switch (bfd_get_mach (abfd))
339	{
340	case bfd_mach_h8300:
341	  hd.cpu = "H8300";
342	  hd.afl = 2;
343	  addrsize = 2;
344	  toolname = "C_H8/300";
345	  break;
346	case bfd_mach_h8300h:
347	  hd.cpu = "H8300H";
348	  hd.afl = 4;
349	  addrsize = 4;
350	  toolname = "C_H8/300H";
351	  break;
352	case bfd_mach_h8300s:
353	  hd.cpu = "H8300S";
354	  hd.afl = 4;
355	  addrsize = 4;
356	  toolname = "C_H8/300S";
357	  break;
358	default:
359	  fatal (_("Unrecognized H8300 sub-architecture: %ld"),
360		 bfd_get_mach (abfd));
361	}
362      rnames = rname_h8300;
363      break;
364    case bfd_arch_sh:
365      hd.au = 8;
366      hd.si = 0;
367      hd.afl = 4;
368      hd.spcsz = 32;
369      hd.segsz = 0;
370      hd.segsh = 0;
371      hd.cpu = "SH";
372      addrsize = 4;
373      toolname = "C_SH";
374      rnames = rname_sh;
375      break;
376    default:
377      fatal (_("Unsupported architecture: %d"), bfd_get_arch (abfd));
378    }
379
380  if (! (bfd_get_file_flags(abfd) & EXEC_P))
381    {
382      hd.ep = 0;
383    }
384  else
385    {
386      hd.ep = 1;
387      hd.uan = 0;
388      hd.sa = 0;
389      hd.sad = 0;
390      hd.address = bfd_get_start_address (abfd);
391    }
392
393  hd.os = "";
394  hd.sys = "";
395  hd.mn = strip_suffix (bfd_get_filename (abfd));
396
397  sysroff_swap_hd_out (file, &hd);
398}
399
400
401static void
402wr_sh (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *sec)
403{
404  struct IT_sh sh;
405  sh.unit = 0;
406  sh.section = sec->number;
407#ifdef FOOP1
408  sh.section = 0;
409#endif
410  sysroff_swap_sh_out (file, &sh);
411}
412
413
414static void
415wr_ob (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *section)
416{
417  bfd_size_type i;
418  int first = 1;
419  unsigned char stuff[200];
420
421  i = 0;
422  while (i < bfd_get_section_size (section->bfd_section))
423    {
424      struct IT_ob ob;
425      int todo = 200;		/* Copy in 200 byte lumps.  */
426
427      ob.spare = 0;
428      if (i + todo > bfd_get_section_size (section->bfd_section))
429	todo = bfd_get_section_size (section->bfd_section) - i;
430
431      if (first)
432	{
433	  ob.saf = 1;
434	  if (bfd_get_file_flags (abfd) & EXEC_P)
435	    ob.address = section->address;
436	  else
437	    ob.address = 0;
438
439	  first = 0;
440	}
441      else
442	{
443	  ob.saf = 0;
444	}
445
446      ob.cpf = 0;		/* Never compress.  */
447      ob.data.len = todo;
448      bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
449      ob.data.data = stuff;
450      sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
451      i += todo;
452    }
453
454  /* Now fill the rest with blanks.  */
455  while (i < (bfd_size_type) section->size)
456    {
457      struct IT_ob ob;
458      int todo = 200;		/* Copy in 200 byte lumps.  */
459
460      ob.spare = 0;
461      if (i + todo > (bfd_size_type) section->size)
462	todo = section->size - i;
463      ob.saf = 0;
464
465      ob.cpf = 0;		/* Never compress.  */
466      ob.data.len = todo;
467      memset (stuff, 0, todo);
468      ob.data.data = stuff;
469      sysroff_swap_ob_out (file, &ob);
470      i += todo;
471    }
472  /* Now fill the rest with blanks.  */
473}
474
475static void
476wr_rl (struct coff_ofile *ptr ATTRIBUTE_UNUSED, struct coff_section *sec)
477{
478  int nr = sec->nrelocs;
479  int i;
480
481  for (i = 0; i < nr; i++)
482    {
483      struct coff_reloc *r = sec->relocs + i;
484      struct coff_symbol *ref;
485      struct IT_rl rl;
486
487      rl.apol = 0;
488      rl.boundary = 0;
489      rl.segment = 1;
490      rl.sign = 0;
491      rl.check = 0;
492      rl.addr = r->offset;
493      rl.bitloc = 0;
494      rl.flen = 32;		/* SH Specific.  */
495
496      /* What sort of reloc ? Look in the section to find out.  */
497      ref = r->symbol;
498      if (ref->visible->type == coff_vis_ext_ref)
499	{
500	  rl.bcount = 4;	/* Always 4 for us.  */
501	  rl.op = OP_EXT_REF;
502	  rl.symn = ref->er_number;
503	}
504      else if (ref->visible->type == coff_vis_common)
505	{
506	  rl.bcount = 11;	/* Always 11 for us.  */
507	  rl.op = OP_SEC_REF;
508	  rl.secn = ref->where->section->number;
509	  rl.copcode_is_3 = 3;
510	  rl.alength_is_4 = 4;
511	  rl.addend = ref->where->offset - ref->where->section->address;
512	  rl.aopcode_is_0x20 = 0x20;
513	}
514      else
515	{
516	  rl.bcount = 11;	/* Always 11 for us.  */
517	  rl.op = OP_SEC_REF;
518	  rl.secn = ref->where->section->number;
519	  rl.copcode_is_3 = 3;
520	  rl.alength_is_4 = 4;
521	  rl.addend = -ref->where->section->address;
522	  rl.aopcode_is_0x20 = 0x20;
523	}
524
525      rl.end = 0xff;
526
527      if (   rl.op == OP_SEC_REF
528	  || rl.op == OP_EXT_REF)
529	sysroff_swap_rl_out (file, &rl);
530    }
531}
532
533static void
534wr_object_body (struct coff_ofile *p)
535{
536  int i;
537
538  for (i = 1; i < p->nsections; i++)
539    {
540      wr_sh (p, p->sections + i);
541      wr_ob (p, p->sections + i);
542      wr_rl (p, p->sections + i);
543    }
544}
545
546static void
547wr_dps_start (struct coff_sfile *sfile,
548	      struct coff_section *section ATTRIBUTE_UNUSED,
549	      struct coff_scope *scope, int type, int nest)
550{
551  struct IT_dps dps;
552
553  dps.end = 0;
554  dps.opt = 0;
555  dps.type = type;
556
557  if (scope->sec)
558    {
559      dps.san = scope->sec->number;
560      dps.address = scope->offset - find_base (sfile, scope->sec);
561      dps.block_size = scope->size;
562
563      if (debug)
564	{
565	  printf ("DPS %s %d %x\n",
566		  sfile->name,
567		  nest,
568		  dps.address);
569	}
570    }
571  else
572    {
573      dps.san = 0;
574      dps.address = 0;
575      dps.block_size = 0;
576    }
577
578  dps.nesting = nest;
579  dps.neg = 0x1001;
580  sysroff_swap_dps_out (file, &dps);
581}
582
583static void
584wr_dps_end (struct coff_section *section ATTRIBUTE_UNUSED,
585	    struct coff_scope *scope ATTRIBUTE_UNUSED, int type)
586{
587  struct IT_dps dps;
588
589  dps.end = 1;
590  dps.type = type;
591  sysroff_swap_dps_out (file, &dps);
592}
593
594static int *
595nints (int x)
596{
597  return (int *) (xcalloc (sizeof (int), x));
598}
599
600static void
601walk_tree_type_1 (struct coff_sfile *sfile, struct coff_symbol *symbol,
602		  struct coff_type *type, int nest)
603{
604  switch (type->type)
605    {
606    case coff_secdef_type:
607    case coff_basic_type:
608      {
609	struct IT_dbt dbt;
610
611	switch (type->u.basic)
612	  {
613	  case T_NULL:
614	  case T_VOID:
615	    dbt.btype = BTYPE_VOID;
616	    dbt.sign = BTYPE_UNSPEC;
617	    dbt.fptype = FPTYPE_NOTSPEC;
618	    break;
619
620	  case T_CHAR:
621	    dbt.btype = BTYPE_CHAR;
622	    dbt.sign = BTYPE_UNSPEC;
623	    dbt.fptype = FPTYPE_NOTSPEC;
624	    break;
625
626	  case T_SHORT:
627	  case T_INT:
628	  case T_LONG:
629	    dbt.btype = BTYPE_INT;
630	    dbt.sign = SIGN_SIGNED;
631	    dbt.fptype = FPTYPE_NOTSPEC;
632	    break;
633
634	  case T_FLOAT:
635	    dbt.btype = BTYPE_FLOAT;
636	    dbt.fptype = FPTYPE_SINGLE;
637	    break;
638
639	  case T_DOUBLE:
640	    dbt.btype = BTYPE_FLOAT;
641	    dbt.fptype = FPTYPE_DOUBLE;
642	    break;
643
644	  case T_LNGDBL:
645	    dbt.btype = BTYPE_FLOAT;
646	    dbt.fptype = FPTYPE_EXTENDED;
647	    break;
648
649	  case T_UCHAR:
650	    dbt.btype = BTYPE_CHAR;
651	    dbt.sign = SIGN_UNSIGNED;
652	    dbt.fptype = FPTYPE_NOTSPEC;
653	    break;
654
655	  case T_USHORT:
656	  case T_UINT:
657	  case T_ULONG:
658	    dbt.btype = BTYPE_INT;
659	    dbt.sign = SIGN_UNSIGNED;
660	    dbt.fptype = FPTYPE_NOTSPEC;
661	    break;
662	  }
663
664	dbt.bitsize = type->size;
665	dbt.neg = 0x1001;
666	sysroff_swap_dbt_out (file, &dbt);
667	break;
668      }
669
670    case coff_pointer_type:
671      {
672	struct IT_dpt dpt;
673
674	dpt.dunno = 0;
675	walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
676	dpt.neg = 0x1001;
677	sysroff_swap_dpt_out (file, &dpt);
678	break;
679      }
680
681    case coff_function_type:
682      {
683	struct IT_dfp dfp;
684	struct coff_symbol *param;
685
686	dfp.end = 0;
687	dfp.spare = 0;
688	dfp.nparams = type->u.function.parameters->nvars;
689	dfp.neg = 0x1001;
690
691	walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
692
693	sysroff_swap_dfp_out (file, &dfp);
694
695	for (param = type->u.function.parameters->vars_head;
696	     param;
697	     param = param->next)
698	  walk_tree_symbol (sfile, 0, param, nest);
699
700	dfp.end = 1;
701	sysroff_swap_dfp_out (file, &dfp);
702	break;
703      }
704
705    case coff_structdef_type:
706      {
707	struct IT_dbt dbt;
708	struct IT_dds dds;
709	struct coff_symbol *member;
710
711	dds.spare = 0;
712	dbt.btype = BTYPE_STRUCT;
713	dbt.bitsize = type->size;
714	dbt.sign = SIGN_UNSPEC;
715	dbt.fptype = FPTYPE_NOTSPEC;
716	dbt.sid = get_member_id (type->u.astructdef.idx);
717	dbt.neg = 0x1001;
718	sysroff_swap_dbt_out (file, &dbt);
719	dds.end = 0;
720	dds.neg = 0x1001;
721	sysroff_swap_dds_out (file, &dds);
722
723	for (member = type->u.astructdef.elements->vars_head;
724	     member;
725	     member = member->next)
726	  walk_tree_symbol (sfile, 0, member, nest + 1);
727
728	dds.end = 1;
729	sysroff_swap_dds_out (file, &dds);
730
731      }
732      break;
733
734    case coff_structref_type:
735      {
736	struct IT_dbt dbt;
737
738	dbt.btype = BTYPE_TAG;
739	dbt.bitsize = type->size;
740	dbt.sign = SIGN_UNSPEC;
741	dbt.fptype = FPTYPE_NOTSPEC;
742
743	if (type->u.astructref.ref)
744	  dbt.sid = get_member_id (type->u.astructref.ref->number);
745	else
746	  dbt.sid = 0;
747
748	dbt.neg = 0x1001;
749	sysroff_swap_dbt_out (file, &dbt);
750      }
751      break;
752
753    case coff_array_type:
754      {
755	struct IT_dar dar;
756	int j;
757	int dims = 1;		/* Only output one dimension at a time.  */
758
759	dar.dims = dims;
760	dar.variable = nints (dims);
761	dar.subtype = nints (dims);
762	dar.spare = nints (dims);
763	dar.max_variable = nints (dims);
764	dar.maxspare = nints (dims);
765	dar.max = nints (dims);
766	dar.min_variable = nints (dims);
767	dar.min = nints (dims);
768	dar.minspare = nints (dims);
769	dar.neg = 0x1001;
770	dar.length = type->size / type->u.array.dim;
771
772	for (j = 0; j < dims; j++)
773	  {
774	    dar.variable[j] = VARIABLE_FIXED;
775	    dar.subtype[j] = SUB_INTEGER;
776	    dar.spare[j] = 0;
777	    dar.max_variable[j] = 0;
778	    dar.max[j] = type->u.array.dim;
779	    dar.min_variable[j] = 0;
780	    dar.min[j] = 1;	/* Why isn't this 0 ? */
781	  }
782	walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
783	sysroff_swap_dar_out (file, &dar);
784      }
785      break;
786
787    case coff_enumdef_type:
788      {
789	struct IT_dbt dbt;
790	struct IT_den den;
791	struct coff_symbol *member;
792
793	dbt.btype = BTYPE_ENUM;
794	dbt.bitsize = type->size;
795	dbt.sign = SIGN_UNSPEC;
796	dbt.fptype = FPTYPE_NOTSPEC;
797	dbt.sid = get_member_id (type->u.aenumdef.idx);
798	dbt.neg = 0x1001;
799	sysroff_swap_dbt_out (file, &dbt);
800
801	den.end = 0;
802	den.neg = 0x1001;
803	den.spare = 0;
804	sysroff_swap_den_out (file, &den);
805
806	for (member = type->u.aenumdef.elements->vars_head;
807	     member;
808	     member = member->next)
809	  walk_tree_symbol (sfile, 0, member, nest + 1);
810
811	den.end = 1;
812	sysroff_swap_den_out (file, &den);
813      }
814      break;
815
816    case coff_enumref_type:
817      {
818	struct IT_dbt dbt;
819
820	dbt.btype = BTYPE_TAG;
821	dbt.bitsize = type->size;
822	dbt.sign = SIGN_UNSPEC;
823	dbt.fptype = FPTYPE_NOTSPEC;
824	dbt.sid = get_member_id (type->u.aenumref.ref->number);
825	dbt.neg = 0x1001;
826	sysroff_swap_dbt_out (file, &dbt);
827      }
828      break;
829
830    default:
831      fatal (_("Unrecognised type: %d"), type->type);
832    }
833}
834
835/* Obsolete ?
836   static void
837   dty_start ()
838   {
839   struct IT_dty dty;
840   dty.end = 0;
841   dty.neg = 0x1001;
842   dty.spare = 0;
843   sysroff_swap_dty_out (file, &dty);
844   }
845
846   static void
847   dty_stop ()
848   {
849   struct IT_dty dty;
850   dty.end = 0;
851   dty.neg = 0x1001;
852   dty.end = 1;
853   sysroff_swap_dty_out (file, &dty);
854   }
855
856
857   static void
858   dump_tree_structure (sfile, symbol, type, nest)
859   struct coff_sfile *sfile;
860   struct coff_symbol *symbol;
861   struct coff_type *type;
862   int nest;
863   {
864   if (symbol->type->type == coff_function_type)
865   {
866
867
868   }
869
870   }
871 */
872
873static void
874walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
875		struct coff_type *type, int nest)
876{
877  if (symbol->type->type == coff_function_type)
878    {
879      struct IT_dty dty;
880
881      dty.end = 0;
882      dty.neg = 0x1001;
883
884      sysroff_swap_dty_out (file, &dty);
885      walk_tree_type_1 (sfile, symbol, type, nest);
886      dty.end = 1;
887      sysroff_swap_dty_out (file, &dty);
888
889      wr_dps_start (sfile,
890		    symbol->where->section,
891		    symbol->type->u.function.code,
892		    BLOCK_TYPE_FUNCTION, nest);
893      wr_dps_start (sfile, symbol->where->section,
894		    symbol->type->u.function.code,
895		    BLOCK_TYPE_BLOCK, nest);
896      walk_tree_scope (symbol->where->section,
897		       sfile,
898		       symbol->type->u.function.code,
899		       nest + 1, BLOCK_TYPE_BLOCK);
900
901      wr_dps_end (symbol->where->section,
902		  symbol->type->u.function.code,
903		  BLOCK_TYPE_BLOCK);
904      wr_dps_end (symbol->where->section,
905		  symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
906    }
907  else
908    {
909      struct IT_dty dty;
910
911      dty.end = 0;
912      dty.neg = 0x1001;
913      sysroff_swap_dty_out (file, &dty);
914      walk_tree_type_1 (sfile, symbol, type, nest);
915      dty.end = 1;
916      sysroff_swap_dty_out (file, &dty);
917    }
918}
919
920static void
921walk_tree_symbol (struct coff_sfile *sfile, struct coff_section *section ATTRIBUTE_UNUSED, struct coff_symbol *symbol, int nest)
922{
923  struct IT_dsy dsy;
924
925  memset (&dsy, 0, sizeof(dsy));
926  dsy.nesting = nest;
927
928  switch (symbol->type->type)
929    {
930    case coff_function_type:
931      dsy.type = STYPE_FUNC;
932      dsy.assign = 1;
933      break;
934
935    case coff_structref_type:
936    case coff_pointer_type:
937    case coff_array_type:
938    case coff_basic_type:
939    case coff_enumref_type:
940      dsy.type = STYPE_VAR;
941      dsy.assign = 1;
942      break;
943
944    case coff_enumdef_type:
945      dsy.type = STYPE_TAG;
946      dsy.assign = 0;
947      dsy.magic = 2;
948      break;
949
950    case coff_structdef_type:
951      dsy.type = STYPE_TAG;
952      dsy.assign = 0;
953      dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
954      break;
955
956    case coff_secdef_type:
957      return;
958
959    default:
960      fatal (_("Unrecognised coff symbol type: %d"), symbol->type->type);
961    }
962
963  if (symbol->where->where == coff_where_member_of_struct)
964    {
965      dsy.assign = 0;
966      dsy.type = STYPE_MEMBER;
967    }
968
969  if (symbol->where->where == coff_where_member_of_enum)
970    {
971      dsy.type = STYPE_ENUM;
972      dsy.assign = 0;
973      dsy.evallen = 4;
974      dsy.evalue = symbol->where->offset;
975    }
976
977  if (symbol->type->type == coff_structdef_type
978      || symbol->where->where == coff_where_entag
979      || symbol->where->where == coff_where_strtag)
980    {
981      dsy.snumber = get_member_id (symbol->number);
982    }
983  else
984    {
985      dsy.snumber = get_ordinary_id (symbol->number);
986    }
987
988  dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
989
990  switch (symbol->visible->type)
991    {
992    case coff_vis_common:
993    case coff_vis_ext_def:
994      dsy.ainfo = AINFO_STATIC_EXT_DEF;
995      break;
996
997    case coff_vis_ext_ref:
998      dsy.ainfo = AINFO_STATIC_EXT_REF;
999      break;
1000
1001    case coff_vis_int_def:
1002      dsy.ainfo = AINFO_STATIC_INT;
1003      break;
1004
1005    case coff_vis_auto:
1006    case coff_vis_autoparam:
1007      dsy.ainfo = AINFO_AUTO;
1008      break;
1009
1010    case coff_vis_register:
1011    case coff_vis_regparam:
1012      dsy.ainfo = AINFO_REG;
1013      break;
1014      break;
1015
1016    case coff_vis_tag:
1017    case coff_vis_member_of_struct:
1018    case coff_vis_member_of_enum:
1019      break;
1020
1021    default:
1022      fatal (_("Unrecognised coff symbol visibility: %d"), symbol->visible->type);
1023    }
1024
1025  dsy.dlength = symbol->type->size;
1026
1027  switch (symbol->where->where)
1028    {
1029    case coff_where_memory:
1030
1031      dsy.section = symbol->where->section->number;
1032#ifdef FOOP
1033      dsy.section = 0;
1034#endif
1035      break;
1036
1037    case coff_where_member_of_struct:
1038    case coff_where_member_of_enum:
1039    case coff_where_stack:
1040    case coff_where_register:
1041    case coff_where_unknown:
1042    case coff_where_strtag:
1043    case coff_where_entag:
1044    case coff_where_typedef:
1045      break;
1046
1047    default:
1048      fatal (_("Unrecognised coff symbol location: %d"), symbol->where->where);
1049    }
1050
1051  switch (symbol->where->where)
1052    {
1053    case coff_where_memory:
1054      dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
1055      break;
1056
1057    case coff_where_stack:
1058      dsy.address = symbol->where->offset;
1059      break;
1060
1061    case coff_where_member_of_struct:
1062      if (symbol->where->bitsize)
1063	{
1064	  int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
1065	  dsy.bitunit = 1;
1066	  dsy.field_len = symbol->where->bitsize;
1067	  dsy.field_off = (bits / 32) * 4;
1068	  dsy.field_bitoff = bits % 32;
1069	}
1070      else
1071	{
1072	  dsy.bitunit = 0;
1073
1074	  dsy.field_len = symbol->type->size;
1075	  dsy.field_off = symbol->where->offset;
1076	}
1077      break;
1078
1079    case coff_where_member_of_enum:
1080      /*      dsy.bitunit = 0;
1081         dsy.field_len  = symbol->type->size;
1082         dsy.field_off = symbol->where->offset; */
1083      break;
1084
1085    case coff_where_register:
1086    case coff_where_unknown:
1087    case coff_where_strtag:
1088    case coff_where_entag:
1089    case coff_where_typedef:
1090      break;
1091
1092    default:
1093      fatal (_("Unrecognised coff symbol location: %d"), symbol->where->where);
1094    }
1095
1096  if (symbol->where->where == coff_where_register)
1097    dsy.reg = rnames[symbol->where->offset];
1098
1099  switch (symbol->visible->type)
1100    {
1101    case coff_vis_common:
1102      /* We do this 'cause common C symbols are treated as extdefs.  */
1103    case coff_vis_ext_def:
1104    case coff_vis_ext_ref:
1105      dsy.ename = symbol->name;
1106      break;
1107
1108    case coff_vis_regparam:
1109    case coff_vis_autoparam:
1110      dsy.type = STYPE_PARAMETER;
1111      break;
1112
1113    case coff_vis_int_def:
1114    case coff_vis_auto:
1115    case coff_vis_register:
1116    case coff_vis_tag:
1117    case coff_vis_member_of_struct:
1118    case coff_vis_member_of_enum:
1119      break;
1120
1121    default:
1122      fatal (_("Unrecognised coff symbol visibility: %d"), symbol->visible->type);
1123    }
1124
1125  dsy.sfn = 0;
1126  dsy.sln = 2;
1127  dsy.neg = 0x1001;
1128
1129  sysroff_swap_dsy_out (file, &dsy);
1130
1131  walk_tree_type (sfile, symbol, symbol->type, nest);
1132}
1133
1134static void
1135walk_tree_scope (struct coff_section *section, struct coff_sfile *sfile, struct coff_scope *scope, int nest, int type)
1136{
1137  struct coff_symbol *vars;
1138  struct coff_scope *child;
1139
1140  if (scope->vars_head
1141      || (scope->list_head && scope->list_head->vars_head))
1142    {
1143      wr_dps_start (sfile, section, scope, type, nest);
1144
1145      if (nest == 0)
1146	wr_globals (tree, sfile, nest + 1);
1147
1148      for (vars = scope->vars_head; vars; vars = vars->next)
1149	walk_tree_symbol (sfile, section, vars, nest);
1150
1151      for (child = scope->list_head; child; child = child->next)
1152	walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
1153
1154      wr_dps_end (section, scope, type);
1155    }
1156}
1157
1158static void
1159walk_tree_sfile (struct coff_section *section, struct coff_sfile *sfile)
1160{
1161  walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
1162}
1163
1164static void
1165wr_program_structure (struct coff_ofile *p, struct coff_sfile *sfile)
1166{
1167  if (p->nsections < 4)
1168    return;
1169  walk_tree_sfile (p->sections + 4, sfile);
1170}
1171
1172static void
1173wr_du (struct coff_ofile *p, struct coff_sfile *sfile, int n)
1174{
1175  struct IT_du du;
1176  int lim;
1177  int i;
1178  int j;
1179  unsigned int *lowest = (unsigned *) nints (p->nsections);
1180  unsigned int *highest = (unsigned *) nints (p->nsections);
1181
1182  du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
1183  du.optimized = 0;
1184  du.stackfrmt = 0;
1185  du.spare = 0;
1186  du.unit = n;
1187  du.sections = p->nsections - 1;
1188  du.san = (int *) xcalloc (sizeof (int), du.sections);
1189  du.address = nints (du.sections);
1190  du.length = nints (du.sections);
1191
1192  for (i = 0; i < du.sections; i++)
1193    {
1194      lowest[i] = ~0;
1195      highest[i] = 0;
1196    }
1197
1198  lim = du.sections;
1199  for (j = 0; j < lim; j++)
1200    {
1201      int src = j;
1202      int dst = j;
1203
1204      du.san[dst] = dst;
1205
1206      if (sfile->section[src].init)
1207	{
1208	  du.length[dst]
1209	    = sfile->section[src].high - sfile->section[src].low + 1;
1210	  du.address[dst]
1211	    = sfile->section[src].low;
1212	}
1213      else
1214	{
1215	  du.length[dst] = 0;
1216	  du.address[dst] = 0;
1217	}
1218
1219      if (debug)
1220	{
1221	  if (sfile->section[src].parent)
1222	    {
1223	      printf (" section %6s 0x%08x..0x%08x\n",
1224		      sfile->section[src].parent->name,
1225		      du.address[dst],
1226		      du.address[dst] + du.length[dst] - 1);
1227	    }
1228	}
1229
1230      du.sections = dst + 1;
1231    }
1232
1233  du.tool = "c_gcc";
1234  du.date = DATE;
1235
1236  sysroff_swap_du_out (file, &du);
1237}
1238
1239static void
1240wr_dus (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile)
1241{
1242  struct IT_dus dus;
1243
1244  dus.efn = 0x1001;
1245  dus.ns = 1;			/* p->nsources; sac 14 jul 94 */
1246  dus.drb = nints (dus.ns);
1247  dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
1248  dus.spare = nints (dus.ns);
1249  dus.ndir = 0;
1250  /* Find the filenames.  */
1251  dus.drb[0] = 0;
1252  dus.fname[0] = sfile->name;
1253
1254  sysroff_swap_dus_out (file, &dus);
1255
1256}
1257
1258/* Find the offset of the .text section for this sfile in the
1259   .text section for the output file.  */
1260
1261static int
1262find_base (struct coff_sfile *sfile, struct coff_section *section)
1263{
1264  return sfile->section[section->number].low;
1265}
1266
1267static void
1268wr_dln (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile,
1269	int n ATTRIBUTE_UNUSED)
1270{
1271  /* Count up all the linenumbers */
1272
1273  struct coff_symbol *sy;
1274  int lc = 0;
1275  struct IT_dln dln;
1276
1277  int idx;
1278
1279  for (sy = sfile->scope->vars_head;
1280       sy;
1281       sy = sy->next)
1282    {
1283      struct coff_type *t = sy->type;
1284      if (t->type == coff_function_type)
1285	{
1286	  struct coff_line *l = t->u.function.lines;
1287	  if (l)
1288	    lc += l->nlines;
1289	}
1290    }
1291
1292  dln.sfn = nints (lc);
1293  dln.sln = nints (lc);
1294  dln.cc = nints (lc);
1295  dln.section = nints (lc);
1296
1297  dln.from_address = nints (lc);
1298  dln.to_address = nints (lc);
1299
1300
1301  dln.neg = 0x1001;
1302
1303  dln.nln = lc;
1304
1305  /* Run through once more and fill up the structure */
1306  idx = 0;
1307  for (sy = sfile->scope->vars_head;
1308       sy;
1309       sy = sy->next)
1310    {
1311      if (sy->type->type == coff_function_type)
1312	{
1313	  int i;
1314	  struct coff_line *l = sy->type->u.function.lines;
1315	  if (l)
1316	    {
1317	      int base = find_base (sfile, sy->where->section);
1318	      for (i = 0; i < l->nlines; i++)
1319		{
1320		  dln.section[idx] = sy->where->section->number;
1321		  dln.sfn[idx] = 0;
1322		  dln.sln[idx] = l->lines[i];
1323		  dln.from_address[idx] =
1324		    l->addresses[i] + sy->where->section->address - base;
1325		  dln.cc[idx] = 0;
1326		  if (idx)
1327		    dln.to_address[idx - 1] = dln.from_address[idx];
1328		  idx++;
1329
1330		}
1331	      dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
1332	    }
1333	}
1334    }
1335  if (lc)
1336    sysroff_swap_dln_out (file, &dln);
1337}
1338
1339/* Write the global symbols out to the debug info.  */
1340
1341static void
1342wr_globals (struct coff_ofile *p, struct coff_sfile *sfile,
1343	    int n ATTRIBUTE_UNUSED)
1344{
1345  struct coff_symbol *sy;
1346
1347  for (sy = p->symbol_list_head;
1348       sy;
1349       sy = sy->next_in_ofile_list)
1350    {
1351      if (sy->visible->type == coff_vis_ext_def
1352	  || sy->visible->type == coff_vis_ext_ref)
1353	{
1354	  /* Only write out symbols if they belong to
1355	     the current source file.  */
1356	  if (sy->sfile == sfile)
1357	    walk_tree_symbol (sfile, 0, sy, 0);
1358	}
1359    }
1360}
1361
1362static void
1363wr_debug (struct coff_ofile *p)
1364{
1365  struct coff_sfile *sfile;
1366  int n = 0;
1367
1368  for (sfile = p->source_head;
1369       sfile;
1370       sfile = sfile->next)
1371    {
1372      if (debug)
1373	printf ("%s\n", sfile->name);
1374
1375      wr_du (p, sfile, n);
1376      wr_dus (p, sfile);
1377      wr_program_structure (p, sfile);
1378      wr_dln (p, sfile, n);
1379      n++;
1380    }
1381}
1382
1383static void
1384wr_cs (void)
1385{
1386  /* It seems that the CS struct is not normal - the size is wrong
1387     heres one I prepared earlier.  */
1388  static char b[] =
1389    {
1390    0x80,			/* IT */
1391    0x21,			/* RL */
1392    0x00,			/* number of chars in variable length part */
1393    0x80,			/* hd */
1394    0x00,			/* hs */
1395    0x80,			/* un */
1396    0x00,			/* us */
1397    0x80,			/* sc */
1398    0x00,			/* ss */
1399    0x80,			/* er */
1400    0x80,			/* ed */
1401    0x80,			/* sh */
1402    0x80,			/* ob */
1403    0x80,			/* rl */
1404    0x80,			/* du */
1405    0x80,			/* dps */
1406    0x80,			/* dsy */
1407    0x80,			/* dty */
1408    0x80,			/* dln */
1409    0x80,			/* dso */
1410    0x80,			/* dus */
1411    0x00,			/* dss */
1412    0x80,			/* dbt */
1413    0x00,			/* dpp */
1414    0x80,			/* dfp */
1415    0x80,			/* den */
1416    0x80,			/* dds */
1417    0x80,			/* dar */
1418    0x80,			/* dpt */
1419    0x00,			/* dul */
1420    0x00,			/* dse */
1421    0x00,			/* dot */
1422    0xDE			/* CS */
1423  };
1424
1425  if (fwrite (b, sizeof (b), 1, file) != 1)
1426    /* FIXME: Return error status.  */
1427    fatal (_("Failed to write CS struct"));
1428}
1429
1430/* Write out the SC records for a unit.  Create an SC
1431   for all the sections which appear in the output file, even
1432   if there isn't an equivalent one on the input.  */
1433
1434static int
1435wr_sc (struct coff_ofile *ptr, struct coff_sfile *sfile)
1436{
1437  int i;
1438  int scount = 0;
1439  /* First work out the total number of sections.  */
1440  int total_sec = ptr->nsections;
1441  struct myinfo
1442    {
1443      struct coff_section *sec;
1444      struct coff_symbol *symbol;
1445    };
1446  struct coff_symbol *symbol;
1447  struct myinfo *info
1448    = (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
1449
1450
1451  for (i = 0; i < total_sec; i++)
1452    {
1453      info[i].sec = ptr->sections + i;
1454      info[i].symbol = 0;
1455    }
1456
1457  for (symbol = sfile->scope->vars_head;
1458       symbol;
1459       symbol = symbol->next)
1460    {
1461
1462      if (symbol->type->type == coff_secdef_type)
1463	{
1464	  for (i = 0; i < total_sec; i++)
1465	    {
1466	      if (symbol->where->section == info[i].sec)
1467		{
1468		  info[i].symbol = symbol;
1469		  break;
1470		}
1471	    }
1472	}
1473    }
1474
1475  /* Now output all the section info, and fake up some stuff for sections
1476     we don't have.  */
1477  for (i = 1; i < total_sec; i++)
1478    {
1479      struct IT_sc sc;
1480      char *name;
1481
1482      symbol = info[i].symbol;
1483      sc.spare = 0;
1484      sc.spare1 = 0;
1485
1486      if (!symbol)
1487	{
1488	  /* Don't have a symbol set aside for this section, which means
1489	     that nothing in this file does anything for the section.  */
1490	  sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
1491	  sc.addr = 0;
1492	  sc.length = 0;
1493	  name = info[i].sec->name;
1494	}
1495      else
1496	{
1497	  if (bfd_get_file_flags (abfd) & EXEC_P)
1498	    {
1499	      sc.format = 0;
1500	      sc.addr = symbol->where->offset;
1501	    }
1502	  else
1503	    {
1504	      sc.format = 1;
1505	      sc.addr = 0;
1506	    }
1507	  sc.length = symbol->type->size;
1508	  name = symbol->name;
1509	}
1510
1511      sc.align = 4;
1512      sc.concat = CONCAT_SIMPLE;
1513      sc.read = 3;
1514      sc.write = 3;
1515      sc.exec = 3;
1516      sc.init = 3;
1517      sc.mode = 3;
1518      sc.spare = 0;
1519      sc.segadd = 0;
1520      sc.spare1 = 0;		/* If not zero, then it doesn't work.  */
1521      sc.name = section_translate (name);
1522
1523      if (strlen (sc.name) == 1)
1524	{
1525	  switch (sc.name[0])
1526	    {
1527	    case 'D':
1528	    case 'B':
1529	      sc.contents = CONTENTS_DATA;
1530	      break;
1531
1532	    default:
1533	      sc.contents = CONTENTS_CODE;
1534	    }
1535	}
1536      else
1537	{
1538	  sc.contents = CONTENTS_CODE;
1539	}
1540
1541      sysroff_swap_sc_out (file, &sc);
1542      scount++;
1543    }
1544  free (info);
1545  return scount;
1546}
1547
1548/* Write out the ER records for a unit.  */
1549
1550static void
1551wr_er (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1552       int first)
1553{
1554  int idx = 0;
1555  struct coff_symbol *sym;
1556
1557  if (first)
1558    {
1559      for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
1560	{
1561	  if (sym->visible->type == coff_vis_ext_ref)
1562	    {
1563	      struct IT_er er;
1564
1565	      er.spare = 0;
1566	      er.type = ER_NOTSPEC;
1567	      er.name = sym->name;
1568	      sysroff_swap_er_out (file, &er);
1569	      sym->er_number = idx++;
1570	    }
1571	}
1572    }
1573}
1574
1575/* Write out the ED records for a unit.  */
1576
1577static void
1578wr_ed (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1579       int first)
1580{
1581  struct coff_symbol *s;
1582
1583  if (first)
1584    {
1585      for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
1586	{
1587	  if (s->visible->type == coff_vis_ext_def
1588	      || s->visible->type == coff_vis_common)
1589	    {
1590	      struct IT_ed ed;
1591
1592	      ed.section = s->where->section->number;
1593	      ed.spare = 0;
1594
1595	      if (s->where->section->data)
1596		{
1597		  ed.type = ED_TYPE_DATA;
1598		}
1599	      else if (s->where->section->code & SEC_CODE)
1600		{
1601		  ed.type = ED_TYPE_ENTRY;
1602		}
1603	      else
1604		{
1605		  ed.type = ED_TYPE_NOTSPEC;
1606		  ed.type = ED_TYPE_DATA;
1607		}
1608
1609	      ed.address = s->where->offset - s->where->section->address;
1610	      ed.name = s->name;
1611	      sysroff_swap_ed_out (file, &ed);
1612	    }
1613	}
1614    }
1615}
1616
1617static void
1618wr_unit_info (struct coff_ofile *ptr)
1619{
1620  struct coff_sfile *sfile;
1621  int first = 1;
1622
1623  for (sfile = ptr->source_head;
1624       sfile;
1625       sfile = sfile->next)
1626    {
1627      long p1;
1628      long p2;
1629      int nsecs;
1630
1631      p1 = ftell (file);
1632      wr_un (ptr, sfile, first, 0);
1633      nsecs = wr_sc (ptr, sfile);
1634      p2 = ftell (file);
1635      fseek (file, p1, SEEK_SET);
1636      wr_un (ptr, sfile, first, nsecs);
1637      fseek (file, p2, SEEK_SET);
1638      wr_er (ptr, sfile, first);
1639      wr_ed (ptr, sfile, first);
1640      first = 0;
1641    }
1642}
1643
1644static void
1645wr_module (struct coff_ofile *p)
1646{
1647  wr_cs ();
1648  wr_hd (p);
1649  wr_unit_info (p);
1650  wr_object_body (p);
1651  wr_debug (p);
1652  wr_tr ();
1653}
1654
1655static int
1656align (int x)
1657{
1658  return (x + 3) & ~3;
1659}
1660
1661/* Find all the common variables and turn them into
1662   ordinary defs - dunno why, but thats what hitachi does with 'em.  */
1663
1664static void
1665prescan (struct coff_ofile *otree)
1666{
1667  struct coff_symbol *s;
1668  struct coff_section *common_section;
1669
1670  if (otree->nsections < 3)
1671    return;
1672
1673  /* Find the common section - always section 3.  */
1674  common_section = otree->sections + 3;
1675
1676  for (s = otree->symbol_list_head;
1677       s;
1678       s = s->next_in_ofile_list)
1679    {
1680      if (s->visible->type == coff_vis_common)
1681	{
1682	  struct coff_where *w = s->where;
1683	  /*      s->visible->type = coff_vis_ext_def; leave it as common */
1684	  common_section->size = align (common_section->size);
1685	  w->offset = common_section->size + common_section->address;
1686	  w->section = common_section;
1687	  common_section->size += s->type->size;
1688	  common_section->size = align (common_section->size);
1689	}
1690    }
1691}
1692
1693char *program_name;
1694
1695ATTRIBUTE_NORETURN static void
1696show_usage (FILE *ffile, int status)
1697{
1698  fprintf (ffile, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
1699  fprintf (ffile, _("Convert a COFF object file into a SYSROFF object file\n"));
1700  fprintf (ffile, _(" The options are:\n\
1701  -q --quick       (Obsolete - ignored)\n\
1702  -n --noprescan   Do not perform a scan to convert commons into defs\n\
1703  -d --debug       Display information about what is being done\n\
1704  @<file>          Read options from <file>\n\
1705  -h --help        Display this information\n\
1706  -v --version     Print the program's version number\n"));
1707
1708  if (REPORT_BUGS_TO[0] && status == 0)
1709    fprintf (ffile, _("Report bugs to %s\n"), REPORT_BUGS_TO);
1710  exit (status);
1711}
1712
1713int
1714main (int ac, char **av)
1715{
1716  int opt;
1717  static struct option long_options[] =
1718  {
1719    {"debug", no_argument, 0, 'd'},
1720    {"quick", no_argument, 0, 'q'},
1721    {"noprescan", no_argument, 0, 'n'},
1722    {"help", no_argument, 0, 'h'},
1723    {"version", no_argument, 0, 'V'},
1724    {NULL, no_argument, 0, 0}
1725  };
1726  char **matching;
1727  char *input_file;
1728  char *output_file;
1729
1730#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1731  setlocale (LC_MESSAGES, "");
1732#endif
1733#if defined (HAVE_SETLOCALE)
1734  setlocale (LC_CTYPE, "");
1735#endif
1736  bindtextdomain (PACKAGE, LOCALEDIR);
1737  textdomain (PACKAGE);
1738
1739  program_name = av[0];
1740  xmalloc_set_program_name (program_name);
1741  bfd_set_error_program_name (program_name);
1742
1743  expandargv (&ac, &av);
1744
1745  while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
1746			     (int *) NULL))
1747	 != EOF)
1748    {
1749      switch (opt)
1750	{
1751	case 'q':
1752	  quick = 1;
1753	  break;
1754	case 'n':
1755	  noprescan = 1;
1756	  break;
1757	case 'd':
1758	  debug = 1;
1759	  break;
1760	case 'H':
1761	case 'h':
1762	  show_usage (stdout, 0);
1763	  /*NOTREACHED */
1764	case 'v':
1765	case 'V':
1766	  print_version ("srconv");
1767	  exit (0);
1768	  /*NOTREACHED */
1769	case 0:
1770	  break;
1771	default:
1772	  show_usage (stderr, 1);
1773	  /*NOTREACHED */
1774	}
1775    }
1776
1777  /* The input and output files may be named on the command line.  */
1778  output_file = NULL;
1779  if (optind < ac)
1780    {
1781      input_file = av[optind];
1782      ++optind;
1783      if (optind < ac)
1784	{
1785	  output_file = av[optind];
1786	  ++optind;
1787	  if (optind < ac)
1788	    show_usage (stderr, 1);
1789	  if (filename_cmp (input_file, output_file) == 0)
1790	    {
1791	      fatal (_("input and output files must be different"));
1792	    }
1793	}
1794    }
1795  else
1796    input_file = 0;
1797
1798  if (!input_file)
1799    {
1800      fatal (_("no input file specified"));
1801    }
1802
1803  if (!output_file)
1804    {
1805      /* Take a .o off the input file and stick on a .obj.  If
1806         it doesn't end in .o, then stick a .obj on anyway */
1807
1808      int len = strlen (input_file);
1809
1810      output_file = xmalloc (len + 5);
1811      strcpy (output_file, input_file);
1812
1813      if (len > 3
1814	  && output_file[len - 2] == '.'
1815	  && output_file[len - 1] == 'o')
1816	{
1817	  output_file[len] = 'b';
1818	  output_file[len + 1] = 'j';
1819	  output_file[len + 2] = 0;
1820	}
1821      else
1822	{
1823	  strcat (output_file, ".obj");
1824	}
1825    }
1826
1827  abfd = bfd_openr (input_file, 0);
1828
1829  if (!abfd)
1830    bfd_fatal (input_file);
1831
1832  if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1833    {
1834      bfd_nonfatal (input_file);
1835
1836      if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1837	{
1838	  list_matching_formats (matching);
1839	  free (matching);
1840	}
1841      exit (1);
1842    }
1843
1844  file = fopen (output_file, FOPEN_WB);
1845
1846  if (!file)
1847    fatal (_("unable to open output file %s"), output_file);
1848
1849  if (debug)
1850    printf ("ids %d %d\n", base1, base2);
1851
1852  tree = coff_grok (abfd);
1853  if (tree)
1854    {
1855      if (!noprescan)
1856	prescan (tree);
1857
1858      wr_module (tree);
1859    }
1860  return 0;
1861}
1862