1/* srconv.c -- Sysroff conversion program
2   Copyright 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3   2005 Free Software Foundation, Inc.
4
5   This file is part of GNU Binutils.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 2 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software
19   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
20   02110-1301, USA.  */
21
22/* Written by Steve Chamberlain (sac@cygnus.com)
23
24   This program can be used to convert a coff object file
25   into a Hitachi OM/LM (Sysroff) format.
26
27   All debugging information is preserved */
28
29#include "bfd.h"
30#include "bucomm.h"
31#include "sysroff.h"
32#include "coffgrok.h"
33#include "libiberty.h"
34#include "getopt.h"
35
36#include "coff/internal.h"
37#include "../bfd/libcoff.h"
38
39/*#define FOOP1 1 */
40
41static int addrsize;
42static char *toolname;
43static char **rnames;
44
45static int get_member_id (int);
46static int get_ordinary_id (int);
47static char *section_translate (char *);
48static char *strip_suffix (char *);
49static void checksum (FILE *, unsigned char *, int, int);
50static void writeINT (int, unsigned char *, int *, int, FILE *);
51static void writeBITS (int, unsigned char *, int *, int);
52static void writeBARRAY (barray, unsigned char *, int *, int, FILE *);
53static void writeCHARS (char *, unsigned char *, int *, int, FILE *);
54static void wr_tr (void);
55static void wr_un (struct coff_ofile *, struct coff_sfile *, int, int);
56static void wr_hd (struct coff_ofile *);
57static void wr_sh (struct coff_ofile *, struct coff_section *);
58static void wr_ob (struct coff_ofile *, struct coff_section *);
59static void wr_rl (struct coff_ofile *, struct coff_section *);
60static void wr_object_body (struct coff_ofile *);
61static void wr_dps_start
62  (struct coff_sfile *, struct coff_section *, struct coff_scope *, int, int);
63static void wr_dps_end (struct coff_section *, struct coff_scope *, int);
64static int *nints (int);
65static void walk_tree_type_1
66  (struct coff_sfile *, struct coff_symbol *, struct coff_type *, int);
67static void walk_tree_type
68  (struct coff_sfile *, struct coff_symbol *, struct coff_type *, int);
69static void walk_tree_symbol
70  (struct coff_sfile *, struct coff_section *, struct coff_symbol *, int);
71static void walk_tree_scope
72  (struct coff_section *, struct coff_sfile *, struct coff_scope *, int, int);
73static void walk_tree_sfile (struct coff_section *, struct coff_sfile *);
74static void wr_program_structure (struct coff_ofile *, struct coff_sfile *);
75static void wr_du (struct coff_ofile *, struct coff_sfile *, int);
76static void wr_dus (struct coff_ofile *, struct coff_sfile *);
77static int find_base (struct coff_sfile *, struct coff_section *);
78static void wr_dln (struct coff_ofile *, struct coff_sfile *, int);
79static void wr_globals (struct coff_ofile *, struct coff_sfile *, int);
80static void wr_debug (struct coff_ofile *);
81static void wr_cs (void);
82static int wr_sc (struct coff_ofile *, struct coff_sfile *);
83static void wr_er (struct coff_ofile *, struct coff_sfile *, int);
84static void wr_ed (struct coff_ofile *, struct coff_sfile *, int);
85static void wr_unit_info (struct coff_ofile *);
86static void wr_module (struct coff_ofile *);
87static int align (int);
88static void prescan (struct coff_ofile *);
89static void show_usage (FILE *, int);
90extern int main (int, char **);
91
92static FILE *file;
93static bfd *abfd;
94static int debug = 0;
95static int quick = 0;
96static int noprescan = 0;
97static struct coff_ofile *tree;
98/* Obsolete ??
99   static int absolute_p;
100 */
101
102static int segmented_p;
103static int code;
104
105static int ids1[20000];
106static int ids2[20000];
107
108static int base1 = 0x18;
109static int base2 = 0x2018;
110
111static int
112get_member_id (int x)
113{
114  if (ids2[x])
115    return ids2[x];
116
117  ids2[x] = base2++;
118  return ids2[x];
119}
120
121static int
122get_ordinary_id (int x)
123{
124  if (ids1[x])
125    return ids1[x];
126
127  ids1[x] = base1++;
128  return ids1[x];
129}
130static char *
131section_translate (char *n)
132{
133  if (strcmp (n, ".text") == 0)
134    return "P";
135  if (strcmp (n, ".data") == 0)
136    return "D";
137  if (strcmp (n, ".bss") == 0)
138    return "B";
139  return n;
140}
141
142#define DATE "940201073000";	/* Just a time on my birthday */
143
144static
145char *
146strip_suffix (char *name)
147{
148  int i;
149  char *res;
150
151  for (i = 0; name[i] != 0 && name[i] != '.'; i++)
152    ;
153  res = (char *) xmalloc (i + 1);
154  memcpy (res, name, i);
155  res[i] = 0;
156  return res;
157}
158
159/* IT LEN stuff CS */
160static void
161checksum (FILE *file, unsigned char *ptr, int size, int code)
162{
163  int j;
164  int last;
165  int sum = 0;
166  int bytes = size / 8;
167
168  last = !(code & 0xff00);
169  if (size & 0x7)
170    abort ();
171  ptr[0] = code | (last ? 0x80 : 0);
172  ptr[1] = bytes + 1;
173
174  for (j = 0; j < bytes; j++)
175    sum += ptr[j];
176
177  /* Glue on a checksum too.  */
178  ptr[bytes] = ~sum;
179  fwrite (ptr, bytes + 1, 1, file);
180}
181
182
183static void
184writeINT (int n, unsigned char *ptr, int *idx, int size, FILE *file)
185{
186  int byte = *idx / 8;
187
188  if (size == -2)
189    size = addrsize;
190  else if (size == -1)
191    size = 0;
192
193  if (byte > 240)
194    {
195      /* Lets write out that record and do another one.  */
196      checksum (file, ptr, *idx, code | 0x1000);
197      *idx = 16;
198      byte = *idx / 8;
199    }
200
201  switch (size)
202    {
203    case 0:
204      break;
205    case 1:
206      ptr[byte] = n;
207      break;
208    case 2:
209      ptr[byte + 0] = n >> 8;
210      ptr[byte + 1] = n;
211      break;
212    case 4:
213      ptr[byte + 0] = n >> 24;
214      ptr[byte + 1] = n >> 16;
215      ptr[byte + 2] = n >> 8;
216      ptr[byte + 3] = n >> 0;
217      break;
218    default:
219      abort ();
220    }
221  *idx += size * 8;
222}
223
224static void
225writeBITS (int val, unsigned char *ptr, int *idx, int size)
226{
227  int byte = *idx / 8;
228  int bit = *idx % 8;
229  int old;
230
231  *idx += size;
232
233  old = ptr[byte];
234  /* Turn off all about to change bits.  */
235  old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
236  /* Turn on the bits we want.  */
237  old |= (val & ((1 << size) - 1)) << (8 - bit - size);
238  ptr[byte] = old;
239}
240
241static void
242writeBARRAY (barray data, unsigned char *ptr, int *idx,
243	     int size ATTRIBUTE_UNUSED, FILE *file)
244{
245  int i;
246
247  writeINT (data.len, ptr, idx, 1, file);
248  for (i = 0; i < data.len; i++)
249    writeINT (data.data[i], ptr, idx, 1, file);
250}
251
252static void
253writeCHARS (char *string, unsigned char *ptr, int *idx, int size, FILE *file)
254{
255  int i = *idx / 8;
256
257  if (i > 240)
258    {
259      /* Lets write out that record and do another one.  */
260      checksum (file, ptr, *idx, code | 0x1000);
261      *idx = 16;
262      i = *idx / 8;
263    }
264
265  if (size == 0)
266    {
267      /* Variable length string.  */
268      size = strlen (string);
269      ptr[i++] = size;
270    }
271
272  /* BUG WAITING TO HAPPEN.  */
273  memcpy (ptr + i, string, size);
274  i += size;
275  *idx = i * 8;
276}
277
278#define SYSROFF_SWAP_OUT
279#include "sysroff.c"
280
281static char *rname_sh[] =
282{
283  "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
284};
285
286static char *rname_h8300[] =
287{
288  "ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
289};
290
291static void
292wr_tr (void)
293{
294  /* The TR block is not normal - it doesn't have any contents.  */
295
296  static char b[] =
297    {
298      0xff,			/* IT */
299      0x03,			/* RL */
300      0xfd,			/* CS */
301    };
302  fwrite (b, 1, sizeof (b), file);
303}
304
305static void
306wr_un (struct coff_ofile *ptr, struct coff_sfile *sfile, int first,
307       int nsecs ATTRIBUTE_UNUSED)
308{
309  struct IT_un un;
310  struct coff_symbol *s;
311
312  un.spare1 = 0;
313
314  if (bfd_get_file_flags (abfd) & EXEC_P)
315    un.format = FORMAT_LM;
316  else
317    un.format = FORMAT_OM;
318  un.spare1 = 0;
319
320  /* Don't count the abs section.  */
321  un.nsections = ptr->nsections - 1;
322
323  un.nextdefs = 0;
324  un.nextrefs = 0;
325  /* Count all the undefined and defined variables with global scope.  */
326
327  if (first)
328    {
329      for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
330	{
331	  if (s->visible->type == coff_vis_ext_def
332	      || s->visible->type == coff_vis_common)
333	    un.nextdefs++;
334
335	  if (s->visible->type == coff_vis_ext_ref)
336	    un.nextrefs++;
337	}
338    }
339  un.tool = toolname;
340  un.tcd = DATE;
341  un.linker = "L_GX00";
342  un.lcd = DATE;
343  un.name = sfile->name;
344  sysroff_swap_un_out (file, &un);
345}
346
347static void
348wr_hd (struct coff_ofile *p)
349{
350  struct IT_hd hd;
351
352  hd.spare1 = 0;
353  if (bfd_get_file_flags (abfd) & EXEC_P)
354    hd.mt = MTYPE_ABS_LM;
355  else
356    hd.mt = MTYPE_OMS_OR_LMS;
357
358  hd.cd = DATE;
359
360  hd.nu = p->nsources;		/* Always one unit */
361  hd.code = 0;			/* Always ASCII */
362  hd.ver = "0200";		/* Version 2.00 */
363
364  switch (bfd_get_arch (abfd))
365    {
366    case bfd_arch_h8300:
367      hd.au = 8;
368      hd.si = 0;
369      hd.spcsz = 32;
370      hd.segsz = 0;
371      hd.segsh = 0;
372      switch (bfd_get_mach (abfd))
373	{
374	case bfd_mach_h8300:
375	  hd.cpu = "H8300";
376	  hd.afl = 2;
377	  addrsize = 2;
378	  toolname = "C_H8/300";
379	  break;
380	case bfd_mach_h8300h:
381	  hd.cpu = "H8300H";
382	  hd.afl = 4;
383	  addrsize = 4;
384	  toolname = "C_H8/300H";
385	  break;
386	case bfd_mach_h8300s:
387	  hd.cpu = "H8300S";
388	  hd.afl = 4;
389	  addrsize = 4;
390	  toolname = "C_H8/300S";
391	  break;
392	default:
393	  abort();
394	}
395      rnames = rname_h8300;
396      break;
397    case bfd_arch_sh:
398      hd.au = 8;
399      hd.si = 0;
400      hd.afl = 4;
401      hd.spcsz = 32;
402      hd.segsz = 0;
403      hd.segsh = 0;
404      hd.cpu = "SH";
405      addrsize = 4;
406      toolname = "C_SH";
407      rnames = rname_sh;
408      break;
409    default:
410      abort ();
411    }
412
413  if (! bfd_get_file_flags(abfd) & EXEC_P)
414    {
415      hd.ep = 0;
416    }
417  else
418    {
419      hd.ep = 1;
420      hd.uan = 0;
421      hd.sa = 0;
422      hd.sad = 0;
423      hd.address = bfd_get_start_address (abfd);
424    }
425
426  hd.os = "";
427  hd.sys = "";
428  hd.mn = strip_suffix (bfd_get_filename (abfd));
429
430  sysroff_swap_hd_out (file, &hd);
431}
432
433
434static void
435wr_sh (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *sec)
436{
437  struct IT_sh sh;
438  sh.unit = 0;
439  sh.section = sec->number;
440#ifdef FOOP1
441  sh.section = 0;
442#endif
443  sysroff_swap_sh_out (file, &sh);
444}
445
446
447static void
448wr_ob (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *section)
449{
450  bfd_size_type i;
451  int first = 1;
452  unsigned char stuff[200];
453
454  i = 0;
455  while (i < bfd_get_section_size (section->bfd_section))
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_get_section_size (section->bfd_section))
462	todo = bfd_get_section_size (section->bfd_section) - i;
463
464      if (first)
465	{
466	  ob.saf = 1;
467	  if (bfd_get_file_flags (abfd) & EXEC_P)
468	    ob.address = section->address;
469	  else
470	    ob.address = 0;
471
472	  first = 0;
473	}
474      else
475	{
476	  ob.saf = 0;
477	}
478
479      ob.cpf = 0;		/* Never compress.  */
480      ob.data.len = todo;
481      bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
482      ob.data.data = stuff;
483      sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
484      i += todo;
485    }
486
487  /* Now fill the rest with blanks.  */
488  while (i < (bfd_size_type) section->size)
489    {
490      struct IT_ob ob;
491      int todo = 200;		/* Copy in 200 byte lumps.  */
492
493      ob.spare = 0;
494      if (i + todo > (bfd_size_type) section->size)
495	todo = section->size - i;
496      ob.saf = 0;
497
498      ob.cpf = 0;		/* Never compress.  */
499      ob.data.len = todo;
500      memset (stuff, 0, todo);
501      ob.data.data = stuff;
502      sysroff_swap_ob_out (file, &ob);
503      i += todo;
504    }
505  /* Now fill the rest with blanks.  */
506}
507
508static void
509wr_rl (struct coff_ofile *ptr ATTRIBUTE_UNUSED, struct coff_section *sec)
510{
511  int nr = sec->nrelocs;
512  int i;
513
514  for (i = 0; i < nr; i++)
515    {
516      struct coff_reloc *r = sec->relocs + i;
517      struct coff_symbol *ref;
518      struct IT_rl rl;
519
520      rl.apol = 0;
521      rl.boundary = 0;
522      rl.segment = 1;
523      rl.sign = 0;
524      rl.check = 0;
525      rl.addr = r->offset;
526      rl.bitloc = 0;
527      rl.flen = 32;		/* SH Specific.  */
528
529      /* What sort of reloc ? Look in the section to find out.  */
530      ref = r->symbol;
531      if (ref->visible->type == coff_vis_ext_ref)
532	{
533	  rl.bcount = 4;	/* Always 4 for us.  */
534	  rl.op = OP_EXT_REF;
535	  rl.symn = ref->er_number;
536	}
537      else if (ref->visible->type == coff_vis_common)
538	{
539	  rl.bcount = 11;	/* Always 11 for us.  */
540	  rl.op = OP_SEC_REF;
541	  rl.secn = ref->where->section->number;
542	  rl.copcode_is_3 = 3;
543	  rl.alength_is_4 = 4;
544	  rl.addend = ref->where->offset - ref->where->section->address;
545	  rl.aopcode_is_0x20 = 0x20;
546	}
547      else
548	{
549	  rl.bcount = 11;	/* Always 11 for us.  */
550	  rl.op = OP_SEC_REF;
551	  rl.secn = ref->where->section->number;
552	  rl.copcode_is_3 = 3;
553	  rl.alength_is_4 = 4;
554	  rl.addend = -ref->where->section->address;
555	  rl.aopcode_is_0x20 = 0x20;
556	}
557
558      rl.end = 0xff;
559
560      if (   rl.op == OP_SEC_REF
561	  || rl.op == OP_EXT_REF)
562	sysroff_swap_rl_out (file, &rl);
563    }
564}
565
566static void
567wr_object_body (struct coff_ofile *p)
568{
569  int i;
570
571  for (i = 1; i < p->nsections; i++)
572    {
573      wr_sh (p, p->sections + i);
574      wr_ob (p, p->sections + i);
575      wr_rl (p, p->sections + i);
576    }
577}
578
579static void
580wr_dps_start (struct coff_sfile *sfile,
581	      struct coff_section *section ATTRIBUTE_UNUSED,
582	      struct coff_scope *scope, int type, int nest)
583{
584  struct IT_dps dps;
585
586  dps.end = 0;
587  dps.opt = 0;
588  dps.type = type;
589
590  if (scope->sec)
591    {
592      dps.san = scope->sec->number;
593      dps.address = scope->offset - find_base (sfile, scope->sec);
594      dps.block_size = scope->size;
595
596      if (debug)
597	{
598	  printf ("DPS %s %d %x\n",
599		  sfile->name,
600		  nest,
601		  dps.address);
602	}
603    }
604  else
605    {
606      dps.san = 0;
607      dps.address = 0;
608      dps.block_size = 0;
609    }
610
611  dps.nesting = nest;
612  dps.neg = 0x1001;
613  sysroff_swap_dps_out (file, &dps);
614}
615
616static void
617wr_dps_end (struct coff_section *section ATTRIBUTE_UNUSED,
618	    struct coff_scope *scope ATTRIBUTE_UNUSED, int type)
619{
620  struct IT_dps dps;
621
622  dps.end = 1;
623  dps.type = type;
624  sysroff_swap_dps_out (file, &dps);
625}
626
627static int *
628nints (int x)
629{
630  return (int *) (xcalloc (sizeof (int), x));
631}
632
633static void
634walk_tree_type_1 (struct coff_sfile *sfile, struct coff_symbol *symbol,
635		  struct coff_type *type, int nest)
636{
637  switch (type->type)
638    {
639    case coff_secdef_type:
640    case coff_basic_type:
641      {
642	struct IT_dbt dbt;
643
644	switch (type->u.basic)
645	  {
646	  case T_NULL:
647	  case T_VOID:
648	    dbt.btype = BTYPE_VOID;
649	    dbt.sign = BTYPE_UNSPEC;
650	    dbt.fptype = FPTYPE_NOTSPEC;
651	    break;
652
653	  case T_CHAR:
654	    dbt.btype = BTYPE_CHAR;
655	    dbt.sign = BTYPE_UNSPEC;
656	    dbt.fptype = FPTYPE_NOTSPEC;
657	    break;
658
659	  case T_SHORT:
660	  case T_INT:
661	  case T_LONG:
662	    dbt.btype = BTYPE_INT;
663	    dbt.sign = SIGN_SIGNED;
664	    dbt.fptype = FPTYPE_NOTSPEC;
665	    break;
666
667	  case T_FLOAT:
668	    dbt.btype = BTYPE_FLOAT;
669	    dbt.fptype = FPTYPE_SINGLE;
670	    break;
671
672	  case T_DOUBLE:
673	    dbt.btype = BTYPE_FLOAT;
674	    dbt.fptype = FPTYPE_DOUBLE;
675	    break;
676
677	  case T_LNGDBL:
678	    dbt.btype = BTYPE_FLOAT;
679	    dbt.fptype = FPTYPE_EXTENDED;
680	    break;
681
682	  case T_UCHAR:
683	    dbt.btype = BTYPE_CHAR;
684	    dbt.sign = SIGN_UNSIGNED;
685	    dbt.fptype = FPTYPE_NOTSPEC;
686	    break;
687
688	  case T_USHORT:
689	  case T_UINT:
690	  case T_ULONG:
691	    dbt.btype = BTYPE_INT;
692	    dbt.sign = SIGN_UNSIGNED;
693	    dbt.fptype = FPTYPE_NOTSPEC;
694	    break;
695	  }
696
697	dbt.bitsize = type->size;
698	dbt.neg = 0x1001;
699	sysroff_swap_dbt_out (file, &dbt);
700	break;
701      }
702
703    case coff_pointer_type:
704      {
705	struct IT_dpt dpt;
706
707	walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
708	dpt.neg = 0x1001;
709	sysroff_swap_dpt_out (file, &dpt);
710	break;
711      }
712
713    case coff_function_type:
714      {
715	struct IT_dfp dfp;
716	struct coff_symbol *param;
717
718	dfp.end = 0;
719	dfp.spare = 0;
720	dfp.nparams = type->u.function.parameters->nvars;
721	dfp.neg = 0x1001;
722
723	walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
724
725	sysroff_swap_dfp_out (file, &dfp);
726
727	for (param = type->u.function.parameters->vars_head;
728	     param;
729	     param = param->next)
730	  walk_tree_symbol (sfile, 0, param, nest);
731
732	dfp.end = 1;
733	sysroff_swap_dfp_out (file, &dfp);
734	break;
735      }
736
737    case coff_structdef_type:
738      {
739	struct IT_dbt dbt;
740	struct IT_dds dds;
741	struct coff_symbol *member;
742
743	dds.spare = 0;
744	dbt.btype = BTYPE_STRUCT;
745	dbt.bitsize = type->size;
746	dbt.sign = SIGN_UNSPEC;
747	dbt.fptype = FPTYPE_NOTSPEC;
748	dbt.sid = get_member_id (type->u.astructdef.idx);
749	dbt.neg = 0x1001;
750	sysroff_swap_dbt_out (file, &dbt);
751	dds.end = 0;
752	dds.neg = 0x1001;
753	sysroff_swap_dds_out (file, &dds);
754
755	for (member = type->u.astructdef.elements->vars_head;
756	     member;
757	     member = member->next)
758	  walk_tree_symbol (sfile, 0, member, nest + 1);
759
760	dds.end = 1;
761	sysroff_swap_dds_out (file, &dds);
762
763      }
764      break;
765
766    case coff_structref_type:
767      {
768	struct IT_dbt dbt;
769
770	dbt.btype = BTYPE_TAG;
771	dbt.bitsize = type->size;
772	dbt.sign = SIGN_UNSPEC;
773	dbt.fptype = FPTYPE_NOTSPEC;
774
775	if (type->u.astructref.ref)
776	  dbt.sid = get_member_id (type->u.astructref.ref->number);
777	else
778	  dbt.sid = 0;
779
780	dbt.neg = 0x1001;
781	sysroff_swap_dbt_out (file, &dbt);
782      }
783      break;
784
785    case coff_array_type:
786      {
787	struct IT_dar dar;
788	int j;
789	int dims = 1;		/* Only output one dimension at a time.  */
790
791	dar.dims = dims;
792	dar.variable = nints (dims);
793	dar.subtype = nints (dims);
794	dar.spare = nints (dims);
795	dar.max_variable = nints (dims);
796	dar.maxspare = nints (dims);
797	dar.max = nints (dims);
798	dar.min_variable = nints (dims);
799	dar.min = nints (dims);
800	dar.minspare = nints (dims);
801	dar.neg = 0x1001;
802	dar.length = type->size / type->u.array.dim;
803
804	for (j = 0; j < dims; j++)
805	  {
806	    dar.variable[j] = VARIABLE_FIXED;
807	    dar.subtype[j] = SUB_INTEGER;
808	    dar.spare[j] = 0;
809	    dar.max_variable[j] = 0;
810	    dar.max[j] = type->u.array.dim;
811	    dar.min_variable[j] = 0;
812	    dar.min[j] = 1;	/* Why isn't this 0 ? */
813	  }
814	walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
815	sysroff_swap_dar_out (file, &dar);
816      }
817      break;
818
819    case coff_enumdef_type:
820      {
821	struct IT_dbt dbt;
822	struct IT_den den;
823	struct coff_symbol *member;
824
825	dbt.btype = BTYPE_ENUM;
826	dbt.bitsize = type->size;
827	dbt.sign = SIGN_UNSPEC;
828	dbt.fptype = FPTYPE_NOTSPEC;
829	dbt.sid = get_member_id (type->u.aenumdef.idx);
830	dbt.neg = 0x1001;
831	sysroff_swap_dbt_out (file, &dbt);
832
833	den.end = 0;
834	den.neg = 0x1001;
835	den.spare = 0;
836	sysroff_swap_den_out (file, &den);
837
838	for (member = type->u.aenumdef.elements->vars_head;
839	     member;
840	     member = member->next)
841	  walk_tree_symbol (sfile, 0, member, nest + 1);
842
843	den.end = 1;
844	sysroff_swap_den_out (file, &den);
845      }
846      break;
847
848    case coff_enumref_type:
849      {
850	struct IT_dbt dbt;
851
852	dbt.btype = BTYPE_TAG;
853	dbt.bitsize = type->size;
854	dbt.sign = SIGN_UNSPEC;
855	dbt.fptype = FPTYPE_NOTSPEC;
856	dbt.sid = get_member_id (type->u.aenumref.ref->number);
857	dbt.neg = 0x1001;
858	sysroff_swap_dbt_out (file, &dbt);
859      }
860      break;
861
862    default:
863      abort ();
864    }
865}
866
867/* Obsolete ?
868   static void
869   dty_start ()
870   {
871   struct IT_dty dty;
872   dty.end = 0;
873   dty.neg = 0x1001;
874   dty.spare = 0;
875   sysroff_swap_dty_out (file, &dty);
876   }
877
878   static void
879   dty_stop ()
880   {
881   struct IT_dty dty;
882   dty.end = 0;
883   dty.neg = 0x1001;
884   dty.end = 1;
885   sysroff_swap_dty_out (file, &dty);
886   }
887
888
889   static void
890   dump_tree_structure (sfile, symbol, type, nest)
891   struct coff_sfile *sfile;
892   struct coff_symbol *symbol;
893   struct coff_type *type;
894   int nest;
895   {
896   if (symbol->type->type == coff_function_type)
897   {
898
899
900   }
901
902   }
903 */
904
905static void
906walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
907		struct coff_type *type, int nest)
908{
909  if (symbol->type->type == coff_function_type)
910    {
911      struct IT_dty dty;
912
913      dty.end = 0;
914      dty.neg = 0x1001;
915
916      sysroff_swap_dty_out (file, &dty);
917      walk_tree_type_1 (sfile, symbol, type, nest);
918      dty.end = 1;
919      sysroff_swap_dty_out (file, &dty);
920
921      wr_dps_start (sfile,
922		    symbol->where->section,
923		    symbol->type->u.function.code,
924		    BLOCK_TYPE_FUNCTION, nest);
925      wr_dps_start (sfile, symbol->where->section,
926		    symbol->type->u.function.code,
927		    BLOCK_TYPE_BLOCK, nest);
928      walk_tree_scope (symbol->where->section,
929		       sfile,
930		       symbol->type->u.function.code,
931		       nest + 1, BLOCK_TYPE_BLOCK);
932
933      wr_dps_end (symbol->where->section,
934		  symbol->type->u.function.code,
935		  BLOCK_TYPE_BLOCK);
936      wr_dps_end (symbol->where->section,
937		  symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
938    }
939  else
940    {
941      struct IT_dty dty;
942
943      dty.end = 0;
944      dty.neg = 0x1001;
945      sysroff_swap_dty_out (file, &dty);
946      walk_tree_type_1 (sfile, symbol, type, nest);
947      dty.end = 1;
948      sysroff_swap_dty_out (file, &dty);
949    }
950}
951
952static void
953walk_tree_symbol (struct coff_sfile *sfile, struct coff_section *section ATTRIBUTE_UNUSED, struct coff_symbol *symbol, int nest)
954{
955  struct IT_dsy dsy;
956
957  memset (&dsy, 0, sizeof(dsy));
958  dsy.nesting = nest;
959
960  switch (symbol->type->type)
961    {
962    case coff_function_type:
963      dsy.type = STYPE_FUNC;
964      dsy.assign = 1;
965      break;
966
967    case coff_structref_type:
968    case coff_pointer_type:
969    case coff_array_type:
970    case coff_basic_type:
971    case coff_enumref_type:
972      dsy.type = STYPE_VAR;
973      dsy.assign = 1;
974      break;
975
976    case coff_enumdef_type:
977      dsy.type = STYPE_TAG;
978      dsy.assign = 0;
979      dsy.magic = 2;
980      break;
981
982    case coff_structdef_type:
983      dsy.type = STYPE_TAG;
984      dsy.assign = 0;
985      dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
986      break;
987
988    case coff_secdef_type:
989      return;
990
991    default:
992      abort ();
993    }
994
995  if (symbol->where->where == coff_where_member_of_struct)
996    {
997      dsy.assign = 0;
998      dsy.type = STYPE_MEMBER;
999    }
1000
1001  if (symbol->where->where == coff_where_member_of_enum)
1002    {
1003      dsy.type = STYPE_ENUM;
1004      dsy.assign = 0;
1005      dsy.evallen = 4;
1006      dsy.evalue = symbol->where->offset;
1007    }
1008
1009  if (symbol->type->type == coff_structdef_type
1010      || symbol->where->where == coff_where_entag
1011      || symbol->where->where == coff_where_strtag)
1012    {
1013      dsy.snumber = get_member_id (symbol->number);
1014    }
1015  else
1016    {
1017      dsy.snumber = get_ordinary_id (symbol->number);
1018    }
1019
1020  dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
1021
1022  switch (symbol->visible->type)
1023    {
1024    case coff_vis_common:
1025    case coff_vis_ext_def:
1026      dsy.ainfo = AINFO_STATIC_EXT_DEF;
1027      break;
1028
1029    case coff_vis_ext_ref:
1030      dsy.ainfo = AINFO_STATIC_EXT_REF;
1031      break;
1032
1033    case coff_vis_int_def:
1034      dsy.ainfo = AINFO_STATIC_INT;
1035      break;
1036
1037    case coff_vis_auto:
1038    case coff_vis_autoparam:
1039      dsy.ainfo = AINFO_AUTO;
1040      break;
1041
1042    case coff_vis_register:
1043    case coff_vis_regparam:
1044      dsy.ainfo = AINFO_REG;
1045      break;
1046      break;
1047
1048    case coff_vis_tag:
1049    case coff_vis_member_of_struct:
1050    case coff_vis_member_of_enum:
1051      break;
1052
1053    default:
1054      abort ();
1055    }
1056
1057  dsy.dlength = symbol->type->size;
1058
1059  switch (symbol->where->where)
1060    {
1061    case coff_where_memory:
1062
1063      dsy.section = symbol->where->section->number;
1064#ifdef FOOP
1065      dsy.section = 0;
1066#endif
1067      break;
1068
1069    case coff_where_member_of_struct:
1070    case coff_where_member_of_enum:
1071    case coff_where_stack:
1072    case coff_where_register:
1073    case coff_where_unknown:
1074    case coff_where_strtag:
1075    case coff_where_entag:
1076    case coff_where_typedef:
1077      break;
1078
1079    default:
1080      abort ();
1081    }
1082
1083  switch (symbol->where->where)
1084    {
1085    case coff_where_memory:
1086      dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
1087      break;
1088
1089    case coff_where_stack:
1090      dsy.address = symbol->where->offset;
1091      break;
1092
1093    case coff_where_member_of_struct:
1094      if (symbol->where->bitsize)
1095	{
1096	  int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
1097	  dsy.bitunit = 1;
1098	  dsy.field_len = symbol->where->bitsize;
1099	  dsy.field_off = (bits / 32) * 4;
1100	  dsy.field_bitoff = bits % 32;
1101	}
1102      else
1103	{
1104	  dsy.bitunit = 0;
1105
1106	  dsy.field_len = symbol->type->size;
1107	  dsy.field_off = symbol->where->offset;
1108	}
1109      break;
1110
1111    case coff_where_member_of_enum:
1112      /*      dsy.bitunit = 0;
1113         dsy.field_len  = symbol->type->size;
1114         dsy.field_off = symbol->where->offset; */
1115      break;
1116
1117    case coff_where_register:
1118    case coff_where_unknown:
1119    case coff_where_strtag:
1120    case coff_where_entag:
1121    case coff_where_typedef:
1122      break;
1123
1124    default:
1125      abort ();
1126    }
1127
1128  if (symbol->where->where == coff_where_register)
1129    dsy.reg = rnames[symbol->where->offset];
1130
1131  switch (symbol->visible->type)
1132    {
1133    case coff_vis_common:
1134      /* We do this 'cause common C symbols are treated as extdefs.  */
1135    case coff_vis_ext_def:
1136    case coff_vis_ext_ref:
1137      dsy.ename = symbol->name;
1138      break;
1139
1140    case coff_vis_regparam:
1141    case coff_vis_autoparam:
1142      dsy.type = STYPE_PARAMETER;
1143      break;
1144
1145    case coff_vis_int_def:
1146    case coff_vis_auto:
1147    case coff_vis_register:
1148    case coff_vis_tag:
1149    case coff_vis_member_of_struct:
1150    case coff_vis_member_of_enum:
1151      break;
1152
1153    default:
1154      abort ();
1155    }
1156
1157  dsy.sfn = 0;
1158  dsy.sln = 2;
1159  dsy.neg = 0x1001;
1160
1161  sysroff_swap_dsy_out (file, &dsy);
1162
1163  walk_tree_type (sfile, symbol, symbol->type, nest);
1164}
1165
1166static void
1167walk_tree_scope (struct coff_section *section, struct coff_sfile *sfile, struct coff_scope *scope, int nest, int type)
1168{
1169  struct coff_symbol *vars;
1170  struct coff_scope *child;
1171
1172  if (scope->vars_head
1173      || (scope->list_head && scope->list_head->vars_head))
1174    {
1175      wr_dps_start (sfile, section, scope, type, nest);
1176
1177      if (nest == 0)
1178	wr_globals (tree, sfile, nest + 1);
1179
1180      for (vars = scope->vars_head; vars; vars = vars->next)
1181	walk_tree_symbol (sfile, section, vars, nest);
1182
1183      for (child = scope->list_head; child; child = child->next)
1184	walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
1185
1186      wr_dps_end (section, scope, type);
1187    }
1188}
1189
1190static void
1191walk_tree_sfile (struct coff_section *section, struct coff_sfile *sfile)
1192{
1193  walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
1194}
1195
1196static void
1197wr_program_structure (struct coff_ofile *p, struct coff_sfile *sfile)
1198{
1199  walk_tree_sfile (p->sections + 4, sfile);
1200}
1201
1202static void
1203wr_du (struct coff_ofile *p, struct coff_sfile *sfile, int n)
1204{
1205  struct IT_du du;
1206  int lim;
1207  int i;
1208  int j;
1209  unsigned int *lowest = (unsigned *) nints (p->nsections);
1210  unsigned int *highest = (unsigned *) nints (p->nsections);
1211
1212  du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
1213  du.optimized = 0;
1214  du.stackfrmt = 0;
1215  du.spare = 0;
1216  du.unit = n;
1217  du.sections = p->nsections - 1;
1218  du.san = (int *) xcalloc (sizeof (int), du.sections);
1219  du.address = nints (du.sections);
1220  du.length = nints (du.sections);
1221
1222  for (i = 0; i < du.sections; i++)
1223    {
1224      lowest[i] = ~0;
1225      highest[i] = 0;
1226    }
1227
1228  lim = du.sections;
1229  for (j = 0; j < lim; j++)
1230    {
1231      int src = j;
1232      int dst = j;
1233
1234      du.san[dst] = dst;
1235
1236      if (sfile->section[src].init)
1237	{
1238	  du.length[dst]
1239	    = sfile->section[src].high - sfile->section[src].low + 1;
1240	  du.address[dst]
1241	    = sfile->section[src].low;
1242	}
1243      else
1244	{
1245	  du.length[dst] = 0;
1246	  du.address[dst] = 0;
1247	}
1248
1249      if (debug)
1250	{
1251	  if (sfile->section[src].parent)
1252	    {
1253	      printf (" section %6s 0x%08x..0x%08x\n",
1254		      sfile->section[src].parent->name,
1255		      du.address[dst],
1256		      du.address[dst] + du.length[dst] - 1);
1257	    }
1258	}
1259
1260      du.sections = dst + 1;
1261    }
1262
1263  du.tool = "c_gcc";
1264  du.date = DATE;
1265
1266  sysroff_swap_du_out (file, &du);
1267}
1268
1269static void
1270wr_dus (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile)
1271{
1272  struct IT_dus dus;
1273
1274  dus.efn = 0x1001;
1275  dus.ns = 1;			/* p->nsources; sac 14 jul 94 */
1276  dus.drb = nints (dus.ns);
1277  dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
1278  dus.spare = nints (dus.ns);
1279  dus.ndir = 0;
1280  /* Find the filenames.  */
1281  dus.drb[0] = 0;
1282  dus.fname[0] = sfile->name;
1283
1284  sysroff_swap_dus_out (file, &dus);
1285
1286}
1287
1288/* Find the offset of the .text section for this sfile in the
1289   .text section for the output file.  */
1290
1291static int
1292find_base (struct coff_sfile *sfile, struct coff_section *section)
1293{
1294  return sfile->section[section->number].low;
1295}
1296
1297static void
1298wr_dln (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile,
1299	int n ATTRIBUTE_UNUSED)
1300{
1301  /* Count up all the linenumbers */
1302
1303  struct coff_symbol *sy;
1304  int lc = 0;
1305  struct IT_dln dln;
1306
1307  int idx;
1308
1309  for (sy = sfile->scope->vars_head;
1310       sy;
1311       sy = sy->next)
1312    {
1313      struct coff_type *t = sy->type;
1314      if (t->type == coff_function_type)
1315	{
1316	  struct coff_line *l = t->u.function.lines;
1317	  if (l)
1318	    lc += l->nlines;
1319	}
1320    }
1321
1322  dln.sfn = nints (lc);
1323  dln.sln = nints (lc);
1324  dln.cc = nints (lc);
1325  dln.section = nints (lc);
1326
1327  dln.from_address = nints (lc);
1328  dln.to_address = nints (lc);
1329
1330
1331  dln.neg = 0x1001;
1332
1333  dln.nln = lc;
1334
1335  /* Run through once more and fill up the structure */
1336  idx = 0;
1337  for (sy = sfile->scope->vars_head;
1338       sy;
1339       sy = sy->next)
1340    {
1341      if (sy->type->type == coff_function_type)
1342	{
1343	  int i;
1344	  struct coff_line *l = sy->type->u.function.lines;
1345	  if (l)
1346	    {
1347	      int base = find_base (sfile, sy->where->section);
1348	      for (i = 0; i < l->nlines; i++)
1349		{
1350		  dln.section[idx] = sy->where->section->number;
1351		  dln.sfn[idx] = 0;
1352		  dln.sln[idx] = l->lines[i];
1353		  dln.from_address[idx] =
1354		    l->addresses[i] + sy->where->section->address - base;
1355		  dln.cc[idx] = 0;
1356		  if (idx)
1357		    dln.to_address[idx - 1] = dln.from_address[idx];
1358		  idx++;
1359
1360		}
1361	      dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
1362	    }
1363	}
1364    }
1365  if (lc)
1366    sysroff_swap_dln_out (file, &dln);
1367}
1368
1369/* Write the global symbols out to the debug info.  */
1370
1371static void
1372wr_globals (struct coff_ofile *p, struct coff_sfile *sfile,
1373	    int n ATTRIBUTE_UNUSED)
1374{
1375  struct coff_symbol *sy;
1376
1377  for (sy = p->symbol_list_head;
1378       sy;
1379       sy = sy->next_in_ofile_list)
1380    {
1381      if (sy->visible->type == coff_vis_ext_def
1382	  || sy->visible->type == coff_vis_ext_ref)
1383	{
1384	  /* Only write out symbols if they belong to
1385	     the current source file.  */
1386	  if (sy->sfile == sfile)
1387	    walk_tree_symbol (sfile, 0, sy, 0);
1388	}
1389    }
1390}
1391
1392static void
1393wr_debug (struct coff_ofile *p)
1394{
1395  struct coff_sfile *sfile;
1396  int n = 0;
1397
1398  for (sfile = p->source_head;
1399       sfile;
1400       sfile = sfile->next)
1401    {
1402      if (debug)
1403	printf ("%s\n", sfile->name);
1404
1405      wr_du (p, sfile, n);
1406      wr_dus (p, sfile);
1407      wr_program_structure (p, sfile);
1408      wr_dln (p, sfile, n);
1409      n++;
1410    }
1411}
1412
1413static void
1414wr_cs (void)
1415{
1416  /* It seems that the CS struct is not normal - the size is wrong
1417     heres one I prepared earlier.  */
1418  static char b[] =
1419    {
1420    0x80,			/* IT */
1421    0x21,			/* RL */
1422    0x00,			/* number of chars in variable length part */
1423    0x80,			/* hd */
1424    0x00,			/* hs */
1425    0x80,			/* un */
1426    0x00,			/* us */
1427    0x80,			/* sc */
1428    0x00,			/* ss */
1429    0x80,			/* er */
1430    0x80,			/* ed */
1431    0x80,			/* sh */
1432    0x80,			/* ob */
1433    0x80,			/* rl */
1434    0x80,			/* du */
1435    0x80,			/* dps */
1436    0x80,			/* dsy */
1437    0x80,			/* dty */
1438    0x80,			/* dln */
1439    0x80,			/* dso */
1440    0x80,			/* dus */
1441    0x00,			/* dss */
1442    0x80,			/* dbt */
1443    0x00,			/* dpp */
1444    0x80,			/* dfp */
1445    0x80,			/* den */
1446    0x80,			/* dds */
1447    0x80,			/* dar */
1448    0x80,			/* dpt */
1449    0x00,			/* dul */
1450    0x00,			/* dse */
1451    0x00,			/* dot */
1452    0xDE			/* CS */
1453  };
1454  fwrite (b, 1, sizeof (b), file);
1455}
1456
1457/* Write out the SC records for a unit.  Create an SC
1458   for all the sections which appear in the output file, even
1459   if there isn't an equivalent one on the input.  */
1460
1461static int
1462wr_sc (struct coff_ofile *ptr, struct coff_sfile *sfile)
1463{
1464  int i;
1465  int scount = 0;
1466  /* First work out the total number of sections.  */
1467  int total_sec = ptr->nsections;
1468  struct myinfo
1469    {
1470      struct coff_section *sec;
1471      struct coff_symbol *symbol;
1472    };
1473  struct coff_symbol *symbol;
1474  struct myinfo *info
1475    = (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
1476
1477
1478  for (i = 0; i < total_sec; i++)
1479    {
1480      info[i].sec = ptr->sections + i;
1481      info[i].symbol = 0;
1482    }
1483
1484  for (symbol = sfile->scope->vars_head;
1485       symbol;
1486       symbol = symbol->next)
1487    {
1488
1489      if (symbol->type->type == coff_secdef_type)
1490	{
1491	  for (i = 0; i < total_sec; i++)
1492	    {
1493	      if (symbol->where->section == info[i].sec)
1494		{
1495		  info[i].symbol = symbol;
1496		  break;
1497		}
1498	    }
1499	}
1500    }
1501
1502  /* Now output all the section info, and fake up some stuff for sections
1503     we don't have.  */
1504  for (i = 1; i < total_sec; i++)
1505    {
1506      struct IT_sc sc;
1507      char *name;
1508
1509      symbol = info[i].symbol;
1510      sc.spare = 0;
1511      sc.spare1 = 0;
1512
1513      if (!symbol)
1514	{
1515	  /* Don't have a symbol set aside for this section, which means
1516	     that nothing in this file does anything for the section.  */
1517	  sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
1518	  sc.addr = 0;
1519	  sc.length = 0;
1520	  name = info[i].sec->name;
1521	}
1522      else
1523	{
1524	  if (bfd_get_file_flags (abfd) & EXEC_P)
1525	    {
1526	      sc.format = 0;
1527	      sc.addr = symbol->where->offset;
1528	    }
1529	  else
1530	    {
1531	      sc.format = 1;
1532	      sc.addr = 0;
1533	    }
1534	  sc.length = symbol->type->size;
1535	  name = symbol->name;
1536	}
1537
1538      sc.align = 4;
1539      sc.concat = CONCAT_SIMPLE;
1540      sc.read = 3;
1541      sc.write = 3;
1542      sc.exec = 3;
1543      sc.init = 3;
1544      sc.mode = 3;
1545      sc.spare = 0;
1546      sc.segadd = 0;
1547      sc.spare1 = 0;		/* If not zero, then it doesn't work.  */
1548      sc.name = section_translate (name);
1549
1550      if (strlen (sc.name) == 1)
1551	{
1552	  switch (sc.name[0])
1553	    {
1554	    case 'D':
1555	    case 'B':
1556	      sc.contents = CONTENTS_DATA;
1557	      break;
1558
1559	    default:
1560	      sc.contents = CONTENTS_CODE;
1561	    }
1562	}
1563      else
1564	{
1565	  sc.contents = CONTENTS_CODE;
1566	}
1567
1568      sysroff_swap_sc_out (file, &sc);
1569      scount++;
1570    }
1571  return scount;
1572}
1573
1574/* Write out the ER records for a unit.  */
1575
1576static void
1577wr_er (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1578       int first)
1579{
1580  int idx = 0;
1581  struct coff_symbol *sym;
1582
1583  if (first)
1584    {
1585      for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
1586	{
1587	  if (sym->visible->type == coff_vis_ext_ref)
1588	    {
1589	      struct IT_er er;
1590
1591	      er.spare = 0;
1592	      er.type = ER_NOTSPEC;
1593	      er.name = sym->name;
1594	      sysroff_swap_er_out (file, &er);
1595	      sym->er_number = idx++;
1596	    }
1597	}
1598    }
1599}
1600
1601/* Write out the ED records for a unit.  */
1602
1603static void
1604wr_ed (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1605       int first)
1606{
1607  struct coff_symbol *s;
1608
1609  if (first)
1610    {
1611      for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
1612	{
1613	  if (s->visible->type == coff_vis_ext_def
1614	      || s->visible->type == coff_vis_common)
1615	    {
1616	      struct IT_ed ed;
1617
1618	      ed.section = s->where->section->number;
1619	      ed.spare = 0;
1620
1621	      if (s->where->section->data)
1622		{
1623		  ed.type = ED_TYPE_DATA;
1624		}
1625	      else if (s->where->section->code & SEC_CODE)
1626		{
1627		  ed.type = ED_TYPE_ENTRY;
1628		}
1629	      else
1630		{
1631		  ed.type = ED_TYPE_NOTSPEC;
1632		  ed.type = ED_TYPE_DATA;
1633		}
1634
1635	      ed.address = s->where->offset - s->where->section->address;
1636	      ed.name = s->name;
1637	      sysroff_swap_ed_out (file, &ed);
1638	    }
1639	}
1640    }
1641}
1642
1643static void
1644wr_unit_info (struct coff_ofile *ptr)
1645{
1646  struct coff_sfile *sfile;
1647  int first = 1;
1648
1649  for (sfile = ptr->source_head;
1650       sfile;
1651       sfile = sfile->next)
1652    {
1653      long p1;
1654      long p2;
1655      int nsecs;
1656
1657      p1 = ftell (file);
1658      wr_un (ptr, sfile, first, 0);
1659      nsecs = wr_sc (ptr, sfile);
1660      p2 = ftell (file);
1661      fseek (file, p1, SEEK_SET);
1662      wr_un (ptr, sfile, first, nsecs);
1663      fseek (file, p2, SEEK_SET);
1664      wr_er (ptr, sfile, first);
1665      wr_ed (ptr, sfile, first);
1666      first = 0;
1667    }
1668}
1669
1670static void
1671wr_module (struct coff_ofile *p)
1672{
1673  wr_cs ();
1674  wr_hd (p);
1675  wr_unit_info (p);
1676  wr_object_body (p);
1677  wr_debug (p);
1678  wr_tr ();
1679}
1680
1681static int
1682align (int x)
1683{
1684  return (x + 3) & ~3;
1685}
1686
1687/* Find all the common variables and turn them into
1688   ordinary defs - dunno why, but thats what hitachi does with 'em.  */
1689
1690static void
1691prescan (struct coff_ofile *tree)
1692{
1693  struct coff_symbol *s;
1694  struct coff_section *common_section;
1695
1696  /* Find the common section - always section 3.  */
1697  common_section = tree->sections + 3;
1698
1699  for (s = tree->symbol_list_head;
1700       s;
1701       s = s->next_in_ofile_list)
1702    {
1703      if (s->visible->type == coff_vis_common)
1704	{
1705	  struct coff_where *w = s->where;
1706	  /*      s->visible->type = coff_vis_ext_def; leave it as common */
1707	  common_section->size = align (common_section->size);
1708	  w->offset = common_section->size + common_section->address;
1709	  w->section = common_section;
1710	  common_section->size += s->type->size;
1711	  common_section->size = align (common_section->size);
1712	}
1713    }
1714}
1715
1716char *program_name;
1717
1718static void
1719show_usage (FILE *file, int status)
1720{
1721  fprintf (file, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
1722  fprintf (file, _("Convert a COFF object file into a SYSROFF object file\n"));
1723  fprintf (file, _(" The options are:\n\
1724  -q --quick       (Obsolete - ignored)\n\
1725  -n --noprescan   Do not perform a scan to convert commons into defs\n\
1726  -d --debug       Display information about what is being done\n\
1727  @<file>          Read options from <file>\n\
1728  -h --help        Display this information\n\
1729  -v --version     Print the program's version number\n"));
1730
1731  if (status == 0)
1732    fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
1733  exit (status);
1734}
1735
1736int
1737main (int ac, char **av)
1738{
1739  int opt;
1740  static struct option long_options[] =
1741  {
1742    {"debug", no_argument, 0, 'd'},
1743    {"quick", no_argument, 0, 'q'},
1744    {"noprescan", no_argument, 0, 'n'},
1745    {"help", no_argument, 0, 'h'},
1746    {"version", no_argument, 0, 'V'},
1747    {NULL, no_argument, 0, 0}
1748  };
1749  char **matching;
1750  char *input_file;
1751  char *output_file;
1752
1753#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1754  setlocale (LC_MESSAGES, "");
1755#endif
1756#if defined (HAVE_SETLOCALE)
1757  setlocale (LC_CTYPE, "");
1758#endif
1759  bindtextdomain (PACKAGE, LOCALEDIR);
1760  textdomain (PACKAGE);
1761
1762  program_name = av[0];
1763  xmalloc_set_program_name (program_name);
1764
1765  expandargv (&ac, &av);
1766
1767  while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
1768			     (int *) NULL))
1769	 != EOF)
1770    {
1771      switch (opt)
1772	{
1773	case 'q':
1774	  quick = 1;
1775	  break;
1776	case 'n':
1777	  noprescan = 1;
1778	  break;
1779	case 'd':
1780	  debug = 1;
1781	  break;
1782	case 'H':
1783	case 'h':
1784	  show_usage (stdout, 0);
1785	  /*NOTREACHED */
1786	case 'v':
1787	case 'V':
1788	  print_version ("srconv");
1789	  exit (0);
1790	  /*NOTREACHED */
1791	case 0:
1792	  break;
1793	default:
1794	  show_usage (stderr, 1);
1795	  /*NOTREACHED */
1796	}
1797    }
1798
1799  /* The input and output files may be named on the command line.  */
1800  output_file = NULL;
1801  if (optind < ac)
1802    {
1803      input_file = av[optind];
1804      ++optind;
1805      if (optind < ac)
1806	{
1807	  output_file = av[optind];
1808	  ++optind;
1809	  if (optind < ac)
1810	    show_usage (stderr, 1);
1811	  if (strcmp (input_file, output_file) == 0)
1812	    {
1813	      fatal (_("input and output files must be different"));
1814	    }
1815	}
1816    }
1817  else
1818    input_file = 0;
1819
1820  if (!input_file)
1821    {
1822      fatal (_("no input file specified"));
1823    }
1824
1825  if (!output_file)
1826    {
1827      /* Take a .o off the input file and stick on a .obj.  If
1828         it doesn't end in .o, then stick a .obj on anyway */
1829
1830      int len = strlen (input_file);
1831
1832      output_file = xmalloc (len + 5);
1833      strcpy (output_file, input_file);
1834
1835      if (len > 3
1836	  && output_file[len - 2] == '.'
1837	  && output_file[len - 1] == 'o')
1838	{
1839	  output_file[len] = 'b';
1840	  output_file[len + 1] = 'j';
1841	  output_file[len + 2] = 0;
1842	}
1843      else
1844	{
1845	  strcat (output_file, ".obj");
1846	}
1847    }
1848
1849  abfd = bfd_openr (input_file, 0);
1850
1851  if (!abfd)
1852    bfd_fatal (input_file);
1853
1854  if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1855    {
1856      bfd_nonfatal (input_file);
1857
1858      if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1859	{
1860	  list_matching_formats (matching);
1861	  free (matching);
1862	}
1863      exit (1);
1864    }
1865
1866  file = fopen (output_file, FOPEN_WB);
1867
1868  if (!file)
1869    fatal (_("unable to open output file %s"), output_file);
1870
1871  if (debug)
1872    printf ("ids %d %d\n", base1, base2);
1873
1874  tree = coff_grok (abfd);
1875
1876  if (!noprescan)
1877    prescan (tree);
1878
1879  wr_module (tree);
1880  return 0;
1881}
1882