1 /* srconv.c -- Sysroff conversion program
2    Copyright 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3    2005, 2007 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 "sysdep.h"
30 #include "bfd.h"
31 #include "bucomm.h"
32 #include "sysroff.h"
33 #include "coffgrok.h"
34 #include "libiberty.h"
35 #include "getopt.h"
36 
37 #include "coff/internal.h"
38 #include "../bfd/libcoff.h"
39 
40 /*#define FOOP1 1 */
41 
42 static int addrsize;
43 static char *toolname;
44 static char **rnames;
45 
46 static int get_member_id (int);
47 static int get_ordinary_id (int);
48 static char *section_translate (char *);
49 static char *strip_suffix (char *);
50 static void checksum (FILE *, unsigned char *, int, int);
51 static void writeINT (int, unsigned char *, int *, int, FILE *);
52 static void writeBITS (int, unsigned char *, int *, int);
53 static void writeBARRAY (barray, unsigned char *, int *, int, FILE *);
54 static void writeCHARS (char *, unsigned char *, int *, int, FILE *);
55 static void wr_tr (void);
56 static void wr_un (struct coff_ofile *, struct coff_sfile *, int, int);
57 static void wr_hd (struct coff_ofile *);
58 static void wr_sh (struct coff_ofile *, struct coff_section *);
59 static void wr_ob (struct coff_ofile *, struct coff_section *);
60 static void wr_rl (struct coff_ofile *, struct coff_section *);
61 static void wr_object_body (struct coff_ofile *);
62 static void wr_dps_start
63   (struct coff_sfile *, struct coff_section *, struct coff_scope *, int, int);
64 static void wr_dps_end (struct coff_section *, struct coff_scope *, int);
65 static int *nints (int);
66 static void walk_tree_type_1
67   (struct coff_sfile *, struct coff_symbol *, struct coff_type *, int);
68 static void walk_tree_type
69   (struct coff_sfile *, struct coff_symbol *, struct coff_type *, int);
70 static void walk_tree_symbol
71   (struct coff_sfile *, struct coff_section *, struct coff_symbol *, int);
72 static void walk_tree_scope
73   (struct coff_section *, struct coff_sfile *, struct coff_scope *, int, int);
74 static void walk_tree_sfile (struct coff_section *, struct coff_sfile *);
75 static void wr_program_structure (struct coff_ofile *, struct coff_sfile *);
76 static void wr_du (struct coff_ofile *, struct coff_sfile *, int);
77 static void wr_dus (struct coff_ofile *, struct coff_sfile *);
78 static int find_base (struct coff_sfile *, struct coff_section *);
79 static void wr_dln (struct coff_ofile *, struct coff_sfile *, int);
80 static void wr_globals (struct coff_ofile *, struct coff_sfile *, int);
81 static void wr_debug (struct coff_ofile *);
82 static void wr_cs (void);
83 static int wr_sc (struct coff_ofile *, struct coff_sfile *);
84 static void wr_er (struct coff_ofile *, struct coff_sfile *, int);
85 static void wr_ed (struct coff_ofile *, struct coff_sfile *, int);
86 static void wr_unit_info (struct coff_ofile *);
87 static void wr_module (struct coff_ofile *);
88 static int align (int);
89 static void prescan (struct coff_ofile *);
90 static void show_usage (FILE *, int);
91 extern int main (int, char **);
92 
93 static FILE *file;
94 static bfd *abfd;
95 static int debug = 0;
96 static int quick = 0;
97 static int noprescan = 0;
98 static struct coff_ofile *tree;
99 /* Obsolete ??
100    static int absolute_p;
101  */
102 
103 static int segmented_p;
104 static int code;
105 
106 static int ids1[20000];
107 static int ids2[20000];
108 
109 static int base1 = 0x18;
110 static int base2 = 0x2018;
111 
112 static int
get_member_id(int x)113 get_member_id (int x)
114 {
115   if (ids2[x])
116     return ids2[x];
117 
118   ids2[x] = base2++;
119   return ids2[x];
120 }
121 
122 static int
get_ordinary_id(int x)123 get_ordinary_id (int x)
124 {
125   if (ids1[x])
126     return ids1[x];
127 
128   ids1[x] = base1++;
129   return ids1[x];
130 }
131 static char *
section_translate(char * n)132 section_translate (char *n)
133 {
134   if (strcmp (n, ".text") == 0)
135     return "P";
136   if (strcmp (n, ".data") == 0)
137     return "D";
138   if (strcmp (n, ".bss") == 0)
139     return "B";
140   return n;
141 }
142 
143 #define DATE "940201073000";	/* Just a time on my birthday */
144 
145 static
146 char *
strip_suffix(char * name)147 strip_suffix (char *name)
148 {
149   int i;
150   char *res;
151 
152   for (i = 0; name[i] != 0 && name[i] != '.'; i++)
153     ;
154   res = (char *) xmalloc (i + 1);
155   memcpy (res, name, i);
156   res[i] = 0;
157   return res;
158 }
159 
160 /* IT LEN stuff CS */
161 static void
checksum(FILE * file,unsigned char * ptr,int size,int code)162 checksum (FILE *file, unsigned char *ptr, int size, int code)
163 {
164   int j;
165   int last;
166   int sum = 0;
167   int bytes = size / 8;
168 
169   last = !(code & 0xff00);
170   if (size & 0x7)
171     abort ();
172   ptr[0] = code | (last ? 0x80 : 0);
173   ptr[1] = bytes + 1;
174 
175   for (j = 0; j < bytes; j++)
176     sum += ptr[j];
177 
178   /* Glue on a checksum too.  */
179   ptr[bytes] = ~sum;
180   fwrite (ptr, bytes + 1, 1, file);
181 }
182 
183 
184 static void
writeINT(int n,unsigned char * ptr,int * idx,int size,FILE * file)185 writeINT (int n, unsigned char *ptr, int *idx, int size, FILE *file)
186 {
187   int byte = *idx / 8;
188 
189   if (size == -2)
190     size = addrsize;
191   else if (size == -1)
192     size = 0;
193 
194   if (byte > 240)
195     {
196       /* Lets write out that record and do another one.  */
197       checksum (file, ptr, *idx, code | 0x1000);
198       *idx = 16;
199       byte = *idx / 8;
200     }
201 
202   switch (size)
203     {
204     case 0:
205       break;
206     case 1:
207       ptr[byte] = n;
208       break;
209     case 2:
210       ptr[byte + 0] = n >> 8;
211       ptr[byte + 1] = n;
212       break;
213     case 4:
214       ptr[byte + 0] = n >> 24;
215       ptr[byte + 1] = n >> 16;
216       ptr[byte + 2] = n >> 8;
217       ptr[byte + 3] = n >> 0;
218       break;
219     default:
220       abort ();
221     }
222   *idx += size * 8;
223 }
224 
225 static void
writeBITS(int val,unsigned char * ptr,int * idx,int size)226 writeBITS (int val, unsigned char *ptr, int *idx, int size)
227 {
228   int byte = *idx / 8;
229   int bit = *idx % 8;
230   int old;
231 
232   *idx += size;
233 
234   old = ptr[byte];
235   /* Turn off all about to change bits.  */
236   old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
237   /* Turn on the bits we want.  */
238   old |= (val & ((1 << size) - 1)) << (8 - bit - size);
239   ptr[byte] = old;
240 }
241 
242 static void
writeBARRAY(barray data,unsigned char * ptr,int * idx,int size ATTRIBUTE_UNUSED,FILE * file)243 writeBARRAY (barray data, unsigned char *ptr, int *idx,
244 	     int size ATTRIBUTE_UNUSED, FILE *file)
245 {
246   int i;
247 
248   writeINT (data.len, ptr, idx, 1, file);
249   for (i = 0; i < data.len; i++)
250     writeINT (data.data[i], ptr, idx, 1, file);
251 }
252 
253 static void
writeCHARS(char * string,unsigned char * ptr,int * idx,int size,FILE * file)254 writeCHARS (char *string, unsigned char *ptr, int *idx, int size, FILE *file)
255 {
256   int i = *idx / 8;
257 
258   if (i > 240)
259     {
260       /* Lets write out that record and do another one.  */
261       checksum (file, ptr, *idx, code | 0x1000);
262       *idx = 16;
263       i = *idx / 8;
264     }
265 
266   if (size == 0)
267     {
268       /* Variable length string.  */
269       size = strlen (string);
270       ptr[i++] = size;
271     }
272 
273   /* BUG WAITING TO HAPPEN.  */
274   memcpy (ptr + i, string, size);
275   i += size;
276   *idx = i * 8;
277 }
278 
279 #define SYSROFF_SWAP_OUT
280 #include "sysroff.c"
281 
282 static char *rname_sh[] =
283 {
284   "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
285 };
286 
287 static char *rname_h8300[] =
288 {
289   "ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
290 };
291 
292 static void
wr_tr(void)293 wr_tr (void)
294 {
295   /* The TR block is not normal - it doesn't have any contents.  */
296 
297   static char b[] =
298     {
299       0xff,			/* IT */
300       0x03,			/* RL */
301       0xfd,			/* CS */
302     };
303   fwrite (b, 1, sizeof (b), file);
304 }
305 
306 static void
wr_un(struct coff_ofile * ptr,struct coff_sfile * sfile,int first,int nsecs ATTRIBUTE_UNUSED)307 wr_un (struct coff_ofile *ptr, struct coff_sfile *sfile, int first,
308        int nsecs ATTRIBUTE_UNUSED)
309 {
310   struct IT_un un;
311   struct coff_symbol *s;
312 
313   un.spare1 = 0;
314 
315   if (bfd_get_file_flags (abfd) & EXEC_P)
316     un.format = FORMAT_LM;
317   else
318     un.format = FORMAT_OM;
319   un.spare1 = 0;
320 
321   /* Don't count the abs section.  */
322   un.nsections = ptr->nsections - 1;
323 
324   un.nextdefs = 0;
325   un.nextrefs = 0;
326   /* Count all the undefined and defined variables with global scope.  */
327 
328   if (first)
329     {
330       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
331 	{
332 	  if (s->visible->type == coff_vis_ext_def
333 	      || s->visible->type == coff_vis_common)
334 	    un.nextdefs++;
335 
336 	  if (s->visible->type == coff_vis_ext_ref)
337 	    un.nextrefs++;
338 	}
339     }
340   un.tool = toolname;
341   un.tcd = DATE;
342   un.linker = "L_GX00";
343   un.lcd = DATE;
344   un.name = sfile->name;
345   sysroff_swap_un_out (file, &un);
346 }
347 
348 static void
wr_hd(struct coff_ofile * p)349 wr_hd (struct coff_ofile *p)
350 {
351   struct IT_hd hd;
352 
353   hd.spare1 = 0;
354   if (bfd_get_file_flags (abfd) & EXEC_P)
355     hd.mt = MTYPE_ABS_LM;
356   else
357     hd.mt = MTYPE_OMS_OR_LMS;
358 
359   hd.cd = DATE;
360 
361   hd.nu = p->nsources;		/* Always one unit */
362   hd.code = 0;			/* Always ASCII */
363   hd.ver = "0200";		/* Version 2.00 */
364 
365   switch (bfd_get_arch (abfd))
366     {
367     case bfd_arch_h8300:
368       hd.au = 8;
369       hd.si = 0;
370       hd.spcsz = 32;
371       hd.segsz = 0;
372       hd.segsh = 0;
373       switch (bfd_get_mach (abfd))
374 	{
375 	case bfd_mach_h8300:
376 	  hd.cpu = "H8300";
377 	  hd.afl = 2;
378 	  addrsize = 2;
379 	  toolname = "C_H8/300";
380 	  break;
381 	case bfd_mach_h8300h:
382 	  hd.cpu = "H8300H";
383 	  hd.afl = 4;
384 	  addrsize = 4;
385 	  toolname = "C_H8/300H";
386 	  break;
387 	case bfd_mach_h8300s:
388 	  hd.cpu = "H8300S";
389 	  hd.afl = 4;
390 	  addrsize = 4;
391 	  toolname = "C_H8/300S";
392 	  break;
393 	default:
394 	  abort();
395 	}
396       rnames = rname_h8300;
397       break;
398     case bfd_arch_sh:
399       hd.au = 8;
400       hd.si = 0;
401       hd.afl = 4;
402       hd.spcsz = 32;
403       hd.segsz = 0;
404       hd.segsh = 0;
405       hd.cpu = "SH";
406       addrsize = 4;
407       toolname = "C_SH";
408       rnames = rname_sh;
409       break;
410     default:
411       abort ();
412     }
413 
414   if (! bfd_get_file_flags(abfd) & EXEC_P)
415     {
416       hd.ep = 0;
417     }
418   else
419     {
420       hd.ep = 1;
421       hd.uan = 0;
422       hd.sa = 0;
423       hd.sad = 0;
424       hd.address = bfd_get_start_address (abfd);
425     }
426 
427   hd.os = "";
428   hd.sys = "";
429   hd.mn = strip_suffix (bfd_get_filename (abfd));
430 
431   sysroff_swap_hd_out (file, &hd);
432 }
433 
434 
435 static void
wr_sh(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_section * sec)436 wr_sh (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *sec)
437 {
438   struct IT_sh sh;
439   sh.unit = 0;
440   sh.section = sec->number;
441 #ifdef FOOP1
442   sh.section = 0;
443 #endif
444   sysroff_swap_sh_out (file, &sh);
445 }
446 
447 
448 static void
wr_ob(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_section * section)449 wr_ob (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *section)
450 {
451   bfd_size_type i;
452   int first = 1;
453   unsigned char stuff[200];
454 
455   i = 0;
456   while (i < bfd_get_section_size (section->bfd_section))
457     {
458       struct IT_ob ob;
459       int todo = 200;		/* Copy in 200 byte lumps.  */
460 
461       ob.spare = 0;
462       if (i + todo > bfd_get_section_size (section->bfd_section))
463 	todo = bfd_get_section_size (section->bfd_section) - i;
464 
465       if (first)
466 	{
467 	  ob.saf = 1;
468 	  if (bfd_get_file_flags (abfd) & EXEC_P)
469 	    ob.address = section->address;
470 	  else
471 	    ob.address = 0;
472 
473 	  first = 0;
474 	}
475       else
476 	{
477 	  ob.saf = 0;
478 	}
479 
480       ob.cpf = 0;		/* Never compress.  */
481       ob.data.len = todo;
482       bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
483       ob.data.data = stuff;
484       sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
485       i += todo;
486     }
487 
488   /* Now fill the rest with blanks.  */
489   while (i < (bfd_size_type) section->size)
490     {
491       struct IT_ob ob;
492       int todo = 200;		/* Copy in 200 byte lumps.  */
493 
494       ob.spare = 0;
495       if (i + todo > (bfd_size_type) section->size)
496 	todo = section->size - i;
497       ob.saf = 0;
498 
499       ob.cpf = 0;		/* Never compress.  */
500       ob.data.len = todo;
501       memset (stuff, 0, todo);
502       ob.data.data = stuff;
503       sysroff_swap_ob_out (file, &ob);
504       i += todo;
505     }
506   /* Now fill the rest with blanks.  */
507 }
508 
509 static void
wr_rl(struct coff_ofile * ptr ATTRIBUTE_UNUSED,struct coff_section * sec)510 wr_rl (struct coff_ofile *ptr ATTRIBUTE_UNUSED, struct coff_section *sec)
511 {
512   int nr = sec->nrelocs;
513   int i;
514 
515   for (i = 0; i < nr; i++)
516     {
517       struct coff_reloc *r = sec->relocs + i;
518       struct coff_symbol *ref;
519       struct IT_rl rl;
520 
521       rl.apol = 0;
522       rl.boundary = 0;
523       rl.segment = 1;
524       rl.sign = 0;
525       rl.check = 0;
526       rl.addr = r->offset;
527       rl.bitloc = 0;
528       rl.flen = 32;		/* SH Specific.  */
529 
530       /* What sort of reloc ? Look in the section to find out.  */
531       ref = r->symbol;
532       if (ref->visible->type == coff_vis_ext_ref)
533 	{
534 	  rl.bcount = 4;	/* Always 4 for us.  */
535 	  rl.op = OP_EXT_REF;
536 	  rl.symn = ref->er_number;
537 	}
538       else if (ref->visible->type == coff_vis_common)
539 	{
540 	  rl.bcount = 11;	/* Always 11 for us.  */
541 	  rl.op = OP_SEC_REF;
542 	  rl.secn = ref->where->section->number;
543 	  rl.copcode_is_3 = 3;
544 	  rl.alength_is_4 = 4;
545 	  rl.addend = ref->where->offset - ref->where->section->address;
546 	  rl.aopcode_is_0x20 = 0x20;
547 	}
548       else
549 	{
550 	  rl.bcount = 11;	/* Always 11 for us.  */
551 	  rl.op = OP_SEC_REF;
552 	  rl.secn = ref->where->section->number;
553 	  rl.copcode_is_3 = 3;
554 	  rl.alength_is_4 = 4;
555 	  rl.addend = -ref->where->section->address;
556 	  rl.aopcode_is_0x20 = 0x20;
557 	}
558 
559       rl.end = 0xff;
560 
561       if (   rl.op == OP_SEC_REF
562 	  || rl.op == OP_EXT_REF)
563 	sysroff_swap_rl_out (file, &rl);
564     }
565 }
566 
567 static void
wr_object_body(struct coff_ofile * p)568 wr_object_body (struct coff_ofile *p)
569 {
570   int i;
571 
572   for (i = 1; i < p->nsections; i++)
573     {
574       wr_sh (p, p->sections + i);
575       wr_ob (p, p->sections + i);
576       wr_rl (p, p->sections + i);
577     }
578 }
579 
580 static void
wr_dps_start(struct coff_sfile * sfile,struct coff_section * section ATTRIBUTE_UNUSED,struct coff_scope * scope,int type,int nest)581 wr_dps_start (struct coff_sfile *sfile,
582 	      struct coff_section *section ATTRIBUTE_UNUSED,
583 	      struct coff_scope *scope, int type, int nest)
584 {
585   struct IT_dps dps;
586 
587   dps.end = 0;
588   dps.opt = 0;
589   dps.type = type;
590 
591   if (scope->sec)
592     {
593       dps.san = scope->sec->number;
594       dps.address = scope->offset - find_base (sfile, scope->sec);
595       dps.block_size = scope->size;
596 
597       if (debug)
598 	{
599 	  printf ("DPS %s %d %x\n",
600 		  sfile->name,
601 		  nest,
602 		  dps.address);
603 	}
604     }
605   else
606     {
607       dps.san = 0;
608       dps.address = 0;
609       dps.block_size = 0;
610     }
611 
612   dps.nesting = nest;
613   dps.neg = 0x1001;
614   sysroff_swap_dps_out (file, &dps);
615 }
616 
617 static void
wr_dps_end(struct coff_section * section ATTRIBUTE_UNUSED,struct coff_scope * scope ATTRIBUTE_UNUSED,int type)618 wr_dps_end (struct coff_section *section ATTRIBUTE_UNUSED,
619 	    struct coff_scope *scope ATTRIBUTE_UNUSED, int type)
620 {
621   struct IT_dps dps;
622 
623   dps.end = 1;
624   dps.type = type;
625   sysroff_swap_dps_out (file, &dps);
626 }
627 
628 static int *
nints(int x)629 nints (int x)
630 {
631   return (int *) (xcalloc (sizeof (int), x));
632 }
633 
634 static void
walk_tree_type_1(struct coff_sfile * sfile,struct coff_symbol * symbol,struct coff_type * type,int nest)635 walk_tree_type_1 (struct coff_sfile *sfile, struct coff_symbol *symbol,
636 		  struct coff_type *type, int nest)
637 {
638   switch (type->type)
639     {
640     case coff_secdef_type:
641     case coff_basic_type:
642       {
643 	struct IT_dbt dbt;
644 
645 	switch (type->u.basic)
646 	  {
647 	  case T_NULL:
648 	  case T_VOID:
649 	    dbt.btype = BTYPE_VOID;
650 	    dbt.sign = BTYPE_UNSPEC;
651 	    dbt.fptype = FPTYPE_NOTSPEC;
652 	    break;
653 
654 	  case T_CHAR:
655 	    dbt.btype = BTYPE_CHAR;
656 	    dbt.sign = BTYPE_UNSPEC;
657 	    dbt.fptype = FPTYPE_NOTSPEC;
658 	    break;
659 
660 	  case T_SHORT:
661 	  case T_INT:
662 	  case T_LONG:
663 	    dbt.btype = BTYPE_INT;
664 	    dbt.sign = SIGN_SIGNED;
665 	    dbt.fptype = FPTYPE_NOTSPEC;
666 	    break;
667 
668 	  case T_FLOAT:
669 	    dbt.btype = BTYPE_FLOAT;
670 	    dbt.fptype = FPTYPE_SINGLE;
671 	    break;
672 
673 	  case T_DOUBLE:
674 	    dbt.btype = BTYPE_FLOAT;
675 	    dbt.fptype = FPTYPE_DOUBLE;
676 	    break;
677 
678 	  case T_LNGDBL:
679 	    dbt.btype = BTYPE_FLOAT;
680 	    dbt.fptype = FPTYPE_EXTENDED;
681 	    break;
682 
683 	  case T_UCHAR:
684 	    dbt.btype = BTYPE_CHAR;
685 	    dbt.sign = SIGN_UNSIGNED;
686 	    dbt.fptype = FPTYPE_NOTSPEC;
687 	    break;
688 
689 	  case T_USHORT:
690 	  case T_UINT:
691 	  case T_ULONG:
692 	    dbt.btype = BTYPE_INT;
693 	    dbt.sign = SIGN_UNSIGNED;
694 	    dbt.fptype = FPTYPE_NOTSPEC;
695 	    break;
696 	  }
697 
698 	dbt.bitsize = type->size;
699 	dbt.neg = 0x1001;
700 	sysroff_swap_dbt_out (file, &dbt);
701 	break;
702       }
703 
704     case coff_pointer_type:
705       {
706 	struct IT_dpt dpt;
707 
708 	dpt.dunno = 0;
709 	walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
710 	dpt.neg = 0x1001;
711 	sysroff_swap_dpt_out (file, &dpt);
712 	break;
713       }
714 
715     case coff_function_type:
716       {
717 	struct IT_dfp dfp;
718 	struct coff_symbol *param;
719 
720 	dfp.end = 0;
721 	dfp.spare = 0;
722 	dfp.nparams = type->u.function.parameters->nvars;
723 	dfp.neg = 0x1001;
724 
725 	walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
726 
727 	sysroff_swap_dfp_out (file, &dfp);
728 
729 	for (param = type->u.function.parameters->vars_head;
730 	     param;
731 	     param = param->next)
732 	  walk_tree_symbol (sfile, 0, param, nest);
733 
734 	dfp.end = 1;
735 	sysroff_swap_dfp_out (file, &dfp);
736 	break;
737       }
738 
739     case coff_structdef_type:
740       {
741 	struct IT_dbt dbt;
742 	struct IT_dds dds;
743 	struct coff_symbol *member;
744 
745 	dds.spare = 0;
746 	dbt.btype = BTYPE_STRUCT;
747 	dbt.bitsize = type->size;
748 	dbt.sign = SIGN_UNSPEC;
749 	dbt.fptype = FPTYPE_NOTSPEC;
750 	dbt.sid = get_member_id (type->u.astructdef.idx);
751 	dbt.neg = 0x1001;
752 	sysroff_swap_dbt_out (file, &dbt);
753 	dds.end = 0;
754 	dds.neg = 0x1001;
755 	sysroff_swap_dds_out (file, &dds);
756 
757 	for (member = type->u.astructdef.elements->vars_head;
758 	     member;
759 	     member = member->next)
760 	  walk_tree_symbol (sfile, 0, member, nest + 1);
761 
762 	dds.end = 1;
763 	sysroff_swap_dds_out (file, &dds);
764 
765       }
766       break;
767 
768     case coff_structref_type:
769       {
770 	struct IT_dbt dbt;
771 
772 	dbt.btype = BTYPE_TAG;
773 	dbt.bitsize = type->size;
774 	dbt.sign = SIGN_UNSPEC;
775 	dbt.fptype = FPTYPE_NOTSPEC;
776 
777 	if (type->u.astructref.ref)
778 	  dbt.sid = get_member_id (type->u.astructref.ref->number);
779 	else
780 	  dbt.sid = 0;
781 
782 	dbt.neg = 0x1001;
783 	sysroff_swap_dbt_out (file, &dbt);
784       }
785       break;
786 
787     case coff_array_type:
788       {
789 	struct IT_dar dar;
790 	int j;
791 	int dims = 1;		/* Only output one dimension at a time.  */
792 
793 	dar.dims = dims;
794 	dar.variable = nints (dims);
795 	dar.subtype = nints (dims);
796 	dar.spare = nints (dims);
797 	dar.max_variable = nints (dims);
798 	dar.maxspare = nints (dims);
799 	dar.max = nints (dims);
800 	dar.min_variable = nints (dims);
801 	dar.min = nints (dims);
802 	dar.minspare = nints (dims);
803 	dar.neg = 0x1001;
804 	dar.length = type->size / type->u.array.dim;
805 
806 	for (j = 0; j < dims; j++)
807 	  {
808 	    dar.variable[j] = VARIABLE_FIXED;
809 	    dar.subtype[j] = SUB_INTEGER;
810 	    dar.spare[j] = 0;
811 	    dar.max_variable[j] = 0;
812 	    dar.max[j] = type->u.array.dim;
813 	    dar.min_variable[j] = 0;
814 	    dar.min[j] = 1;	/* Why isn't this 0 ? */
815 	  }
816 	walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
817 	sysroff_swap_dar_out (file, &dar);
818       }
819       break;
820 
821     case coff_enumdef_type:
822       {
823 	struct IT_dbt dbt;
824 	struct IT_den den;
825 	struct coff_symbol *member;
826 
827 	dbt.btype = BTYPE_ENUM;
828 	dbt.bitsize = type->size;
829 	dbt.sign = SIGN_UNSPEC;
830 	dbt.fptype = FPTYPE_NOTSPEC;
831 	dbt.sid = get_member_id (type->u.aenumdef.idx);
832 	dbt.neg = 0x1001;
833 	sysroff_swap_dbt_out (file, &dbt);
834 
835 	den.end = 0;
836 	den.neg = 0x1001;
837 	den.spare = 0;
838 	sysroff_swap_den_out (file, &den);
839 
840 	for (member = type->u.aenumdef.elements->vars_head;
841 	     member;
842 	     member = member->next)
843 	  walk_tree_symbol (sfile, 0, member, nest + 1);
844 
845 	den.end = 1;
846 	sysroff_swap_den_out (file, &den);
847       }
848       break;
849 
850     case coff_enumref_type:
851       {
852 	struct IT_dbt dbt;
853 
854 	dbt.btype = BTYPE_TAG;
855 	dbt.bitsize = type->size;
856 	dbt.sign = SIGN_UNSPEC;
857 	dbt.fptype = FPTYPE_NOTSPEC;
858 	dbt.sid = get_member_id (type->u.aenumref.ref->number);
859 	dbt.neg = 0x1001;
860 	sysroff_swap_dbt_out (file, &dbt);
861       }
862       break;
863 
864     default:
865       abort ();
866     }
867 }
868 
869 /* Obsolete ?
870    static void
871    dty_start ()
872    {
873    struct IT_dty dty;
874    dty.end = 0;
875    dty.neg = 0x1001;
876    dty.spare = 0;
877    sysroff_swap_dty_out (file, &dty);
878    }
879 
880    static void
881    dty_stop ()
882    {
883    struct IT_dty dty;
884    dty.end = 0;
885    dty.neg = 0x1001;
886    dty.end = 1;
887    sysroff_swap_dty_out (file, &dty);
888    }
889 
890 
891    static void
892    dump_tree_structure (sfile, symbol, type, nest)
893    struct coff_sfile *sfile;
894    struct coff_symbol *symbol;
895    struct coff_type *type;
896    int nest;
897    {
898    if (symbol->type->type == coff_function_type)
899    {
900 
901 
902    }
903 
904    }
905  */
906 
907 static void
walk_tree_type(struct coff_sfile * sfile,struct coff_symbol * symbol,struct coff_type * type,int nest)908 walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
909 		struct coff_type *type, int nest)
910 {
911   if (symbol->type->type == coff_function_type)
912     {
913       struct IT_dty dty;
914 
915       dty.end = 0;
916       dty.neg = 0x1001;
917 
918       sysroff_swap_dty_out (file, &dty);
919       walk_tree_type_1 (sfile, symbol, type, nest);
920       dty.end = 1;
921       sysroff_swap_dty_out (file, &dty);
922 
923       wr_dps_start (sfile,
924 		    symbol->where->section,
925 		    symbol->type->u.function.code,
926 		    BLOCK_TYPE_FUNCTION, nest);
927       wr_dps_start (sfile, symbol->where->section,
928 		    symbol->type->u.function.code,
929 		    BLOCK_TYPE_BLOCK, nest);
930       walk_tree_scope (symbol->where->section,
931 		       sfile,
932 		       symbol->type->u.function.code,
933 		       nest + 1, BLOCK_TYPE_BLOCK);
934 
935       wr_dps_end (symbol->where->section,
936 		  symbol->type->u.function.code,
937 		  BLOCK_TYPE_BLOCK);
938       wr_dps_end (symbol->where->section,
939 		  symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
940     }
941   else
942     {
943       struct IT_dty dty;
944 
945       dty.end = 0;
946       dty.neg = 0x1001;
947       sysroff_swap_dty_out (file, &dty);
948       walk_tree_type_1 (sfile, symbol, type, nest);
949       dty.end = 1;
950       sysroff_swap_dty_out (file, &dty);
951     }
952 }
953 
954 static void
walk_tree_symbol(struct coff_sfile * sfile,struct coff_section * section ATTRIBUTE_UNUSED,struct coff_symbol * symbol,int nest)955 walk_tree_symbol (struct coff_sfile *sfile, struct coff_section *section ATTRIBUTE_UNUSED, struct coff_symbol *symbol, int nest)
956 {
957   struct IT_dsy dsy;
958 
959   memset (&dsy, 0, sizeof(dsy));
960   dsy.nesting = nest;
961 
962   switch (symbol->type->type)
963     {
964     case coff_function_type:
965       dsy.type = STYPE_FUNC;
966       dsy.assign = 1;
967       break;
968 
969     case coff_structref_type:
970     case coff_pointer_type:
971     case coff_array_type:
972     case coff_basic_type:
973     case coff_enumref_type:
974       dsy.type = STYPE_VAR;
975       dsy.assign = 1;
976       break;
977 
978     case coff_enumdef_type:
979       dsy.type = STYPE_TAG;
980       dsy.assign = 0;
981       dsy.magic = 2;
982       break;
983 
984     case coff_structdef_type:
985       dsy.type = STYPE_TAG;
986       dsy.assign = 0;
987       dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
988       break;
989 
990     case coff_secdef_type:
991       return;
992 
993     default:
994       abort ();
995     }
996 
997   if (symbol->where->where == coff_where_member_of_struct)
998     {
999       dsy.assign = 0;
1000       dsy.type = STYPE_MEMBER;
1001     }
1002 
1003   if (symbol->where->where == coff_where_member_of_enum)
1004     {
1005       dsy.type = STYPE_ENUM;
1006       dsy.assign = 0;
1007       dsy.evallen = 4;
1008       dsy.evalue = symbol->where->offset;
1009     }
1010 
1011   if (symbol->type->type == coff_structdef_type
1012       || symbol->where->where == coff_where_entag
1013       || symbol->where->where == coff_where_strtag)
1014     {
1015       dsy.snumber = get_member_id (symbol->number);
1016     }
1017   else
1018     {
1019       dsy.snumber = get_ordinary_id (symbol->number);
1020     }
1021 
1022   dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
1023 
1024   switch (symbol->visible->type)
1025     {
1026     case coff_vis_common:
1027     case coff_vis_ext_def:
1028       dsy.ainfo = AINFO_STATIC_EXT_DEF;
1029       break;
1030 
1031     case coff_vis_ext_ref:
1032       dsy.ainfo = AINFO_STATIC_EXT_REF;
1033       break;
1034 
1035     case coff_vis_int_def:
1036       dsy.ainfo = AINFO_STATIC_INT;
1037       break;
1038 
1039     case coff_vis_auto:
1040     case coff_vis_autoparam:
1041       dsy.ainfo = AINFO_AUTO;
1042       break;
1043 
1044     case coff_vis_register:
1045     case coff_vis_regparam:
1046       dsy.ainfo = AINFO_REG;
1047       break;
1048       break;
1049 
1050     case coff_vis_tag:
1051     case coff_vis_member_of_struct:
1052     case coff_vis_member_of_enum:
1053       break;
1054 
1055     default:
1056       abort ();
1057     }
1058 
1059   dsy.dlength = symbol->type->size;
1060 
1061   switch (symbol->where->where)
1062     {
1063     case coff_where_memory:
1064 
1065       dsy.section = symbol->where->section->number;
1066 #ifdef FOOP
1067       dsy.section = 0;
1068 #endif
1069       break;
1070 
1071     case coff_where_member_of_struct:
1072     case coff_where_member_of_enum:
1073     case coff_where_stack:
1074     case coff_where_register:
1075     case coff_where_unknown:
1076     case coff_where_strtag:
1077     case coff_where_entag:
1078     case coff_where_typedef:
1079       break;
1080 
1081     default:
1082       abort ();
1083     }
1084 
1085   switch (symbol->where->where)
1086     {
1087     case coff_where_memory:
1088       dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
1089       break;
1090 
1091     case coff_where_stack:
1092       dsy.address = symbol->where->offset;
1093       break;
1094 
1095     case coff_where_member_of_struct:
1096       if (symbol->where->bitsize)
1097 	{
1098 	  int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
1099 	  dsy.bitunit = 1;
1100 	  dsy.field_len = symbol->where->bitsize;
1101 	  dsy.field_off = (bits / 32) * 4;
1102 	  dsy.field_bitoff = bits % 32;
1103 	}
1104       else
1105 	{
1106 	  dsy.bitunit = 0;
1107 
1108 	  dsy.field_len = symbol->type->size;
1109 	  dsy.field_off = symbol->where->offset;
1110 	}
1111       break;
1112 
1113     case coff_where_member_of_enum:
1114       /*      dsy.bitunit = 0;
1115          dsy.field_len  = symbol->type->size;
1116          dsy.field_off = symbol->where->offset; */
1117       break;
1118 
1119     case coff_where_register:
1120     case coff_where_unknown:
1121     case coff_where_strtag:
1122     case coff_where_entag:
1123     case coff_where_typedef:
1124       break;
1125 
1126     default:
1127       abort ();
1128     }
1129 
1130   if (symbol->where->where == coff_where_register)
1131     dsy.reg = rnames[symbol->where->offset];
1132 
1133   switch (symbol->visible->type)
1134     {
1135     case coff_vis_common:
1136       /* We do this 'cause common C symbols are treated as extdefs.  */
1137     case coff_vis_ext_def:
1138     case coff_vis_ext_ref:
1139       dsy.ename = symbol->name;
1140       break;
1141 
1142     case coff_vis_regparam:
1143     case coff_vis_autoparam:
1144       dsy.type = STYPE_PARAMETER;
1145       break;
1146 
1147     case coff_vis_int_def:
1148     case coff_vis_auto:
1149     case coff_vis_register:
1150     case coff_vis_tag:
1151     case coff_vis_member_of_struct:
1152     case coff_vis_member_of_enum:
1153       break;
1154 
1155     default:
1156       abort ();
1157     }
1158 
1159   dsy.sfn = 0;
1160   dsy.sln = 2;
1161   dsy.neg = 0x1001;
1162 
1163   sysroff_swap_dsy_out (file, &dsy);
1164 
1165   walk_tree_type (sfile, symbol, symbol->type, nest);
1166 }
1167 
1168 static void
walk_tree_scope(struct coff_section * section,struct coff_sfile * sfile,struct coff_scope * scope,int nest,int type)1169 walk_tree_scope (struct coff_section *section, struct coff_sfile *sfile, struct coff_scope *scope, int nest, int type)
1170 {
1171   struct coff_symbol *vars;
1172   struct coff_scope *child;
1173 
1174   if (scope->vars_head
1175       || (scope->list_head && scope->list_head->vars_head))
1176     {
1177       wr_dps_start (sfile, section, scope, type, nest);
1178 
1179       if (nest == 0)
1180 	wr_globals (tree, sfile, nest + 1);
1181 
1182       for (vars = scope->vars_head; vars; vars = vars->next)
1183 	walk_tree_symbol (sfile, section, vars, nest);
1184 
1185       for (child = scope->list_head; child; child = child->next)
1186 	walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
1187 
1188       wr_dps_end (section, scope, type);
1189     }
1190 }
1191 
1192 static void
walk_tree_sfile(struct coff_section * section,struct coff_sfile * sfile)1193 walk_tree_sfile (struct coff_section *section, struct coff_sfile *sfile)
1194 {
1195   walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
1196 }
1197 
1198 static void
wr_program_structure(struct coff_ofile * p,struct coff_sfile * sfile)1199 wr_program_structure (struct coff_ofile *p, struct coff_sfile *sfile)
1200 {
1201   walk_tree_sfile (p->sections + 4, sfile);
1202 }
1203 
1204 static void
wr_du(struct coff_ofile * p,struct coff_sfile * sfile,int n)1205 wr_du (struct coff_ofile *p, struct coff_sfile *sfile, int n)
1206 {
1207   struct IT_du du;
1208   int lim;
1209   int i;
1210   int j;
1211   unsigned int *lowest = (unsigned *) nints (p->nsections);
1212   unsigned int *highest = (unsigned *) nints (p->nsections);
1213 
1214   du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
1215   du.optimized = 0;
1216   du.stackfrmt = 0;
1217   du.spare = 0;
1218   du.unit = n;
1219   du.sections = p->nsections - 1;
1220   du.san = (int *) xcalloc (sizeof (int), du.sections);
1221   du.address = nints (du.sections);
1222   du.length = nints (du.sections);
1223 
1224   for (i = 0; i < du.sections; i++)
1225     {
1226       lowest[i] = ~0;
1227       highest[i] = 0;
1228     }
1229 
1230   lim = du.sections;
1231   for (j = 0; j < lim; j++)
1232     {
1233       int src = j;
1234       int dst = j;
1235 
1236       du.san[dst] = dst;
1237 
1238       if (sfile->section[src].init)
1239 	{
1240 	  du.length[dst]
1241 	    = sfile->section[src].high - sfile->section[src].low + 1;
1242 	  du.address[dst]
1243 	    = sfile->section[src].low;
1244 	}
1245       else
1246 	{
1247 	  du.length[dst] = 0;
1248 	  du.address[dst] = 0;
1249 	}
1250 
1251       if (debug)
1252 	{
1253 	  if (sfile->section[src].parent)
1254 	    {
1255 	      printf (" section %6s 0x%08x..0x%08x\n",
1256 		      sfile->section[src].parent->name,
1257 		      du.address[dst],
1258 		      du.address[dst] + du.length[dst] - 1);
1259 	    }
1260 	}
1261 
1262       du.sections = dst + 1;
1263     }
1264 
1265   du.tool = "c_gcc";
1266   du.date = DATE;
1267 
1268   sysroff_swap_du_out (file, &du);
1269 }
1270 
1271 static void
wr_dus(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_sfile * sfile)1272 wr_dus (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile)
1273 {
1274   struct IT_dus dus;
1275 
1276   dus.efn = 0x1001;
1277   dus.ns = 1;			/* p->nsources; sac 14 jul 94 */
1278   dus.drb = nints (dus.ns);
1279   dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
1280   dus.spare = nints (dus.ns);
1281   dus.ndir = 0;
1282   /* Find the filenames.  */
1283   dus.drb[0] = 0;
1284   dus.fname[0] = sfile->name;
1285 
1286   sysroff_swap_dus_out (file, &dus);
1287 
1288 }
1289 
1290 /* Find the offset of the .text section for this sfile in the
1291    .text section for the output file.  */
1292 
1293 static int
find_base(struct coff_sfile * sfile,struct coff_section * section)1294 find_base (struct coff_sfile *sfile, struct coff_section *section)
1295 {
1296   return sfile->section[section->number].low;
1297 }
1298 
1299 static void
wr_dln(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_sfile * sfile,int n ATTRIBUTE_UNUSED)1300 wr_dln (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile,
1301 	int n ATTRIBUTE_UNUSED)
1302 {
1303   /* Count up all the linenumbers */
1304 
1305   struct coff_symbol *sy;
1306   int lc = 0;
1307   struct IT_dln dln;
1308 
1309   int idx;
1310 
1311   for (sy = sfile->scope->vars_head;
1312        sy;
1313        sy = sy->next)
1314     {
1315       struct coff_type *t = sy->type;
1316       if (t->type == coff_function_type)
1317 	{
1318 	  struct coff_line *l = t->u.function.lines;
1319 	  if (l)
1320 	    lc += l->nlines;
1321 	}
1322     }
1323 
1324   dln.sfn = nints (lc);
1325   dln.sln = nints (lc);
1326   dln.cc = nints (lc);
1327   dln.section = nints (lc);
1328 
1329   dln.from_address = nints (lc);
1330   dln.to_address = nints (lc);
1331 
1332 
1333   dln.neg = 0x1001;
1334 
1335   dln.nln = lc;
1336 
1337   /* Run through once more and fill up the structure */
1338   idx = 0;
1339   for (sy = sfile->scope->vars_head;
1340        sy;
1341        sy = sy->next)
1342     {
1343       if (sy->type->type == coff_function_type)
1344 	{
1345 	  int i;
1346 	  struct coff_line *l = sy->type->u.function.lines;
1347 	  if (l)
1348 	    {
1349 	      int base = find_base (sfile, sy->where->section);
1350 	      for (i = 0; i < l->nlines; i++)
1351 		{
1352 		  dln.section[idx] = sy->where->section->number;
1353 		  dln.sfn[idx] = 0;
1354 		  dln.sln[idx] = l->lines[i];
1355 		  dln.from_address[idx] =
1356 		    l->addresses[i] + sy->where->section->address - base;
1357 		  dln.cc[idx] = 0;
1358 		  if (idx)
1359 		    dln.to_address[idx - 1] = dln.from_address[idx];
1360 		  idx++;
1361 
1362 		}
1363 	      dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
1364 	    }
1365 	}
1366     }
1367   if (lc)
1368     sysroff_swap_dln_out (file, &dln);
1369 }
1370 
1371 /* Write the global symbols out to the debug info.  */
1372 
1373 static void
wr_globals(struct coff_ofile * p,struct coff_sfile * sfile,int n ATTRIBUTE_UNUSED)1374 wr_globals (struct coff_ofile *p, struct coff_sfile *sfile,
1375 	    int n ATTRIBUTE_UNUSED)
1376 {
1377   struct coff_symbol *sy;
1378 
1379   for (sy = p->symbol_list_head;
1380        sy;
1381        sy = sy->next_in_ofile_list)
1382     {
1383       if (sy->visible->type == coff_vis_ext_def
1384 	  || sy->visible->type == coff_vis_ext_ref)
1385 	{
1386 	  /* Only write out symbols if they belong to
1387 	     the current source file.  */
1388 	  if (sy->sfile == sfile)
1389 	    walk_tree_symbol (sfile, 0, sy, 0);
1390 	}
1391     }
1392 }
1393 
1394 static void
wr_debug(struct coff_ofile * p)1395 wr_debug (struct coff_ofile *p)
1396 {
1397   struct coff_sfile *sfile;
1398   int n = 0;
1399 
1400   for (sfile = p->source_head;
1401        sfile;
1402        sfile = sfile->next)
1403     {
1404       if (debug)
1405 	printf ("%s\n", sfile->name);
1406 
1407       wr_du (p, sfile, n);
1408       wr_dus (p, sfile);
1409       wr_program_structure (p, sfile);
1410       wr_dln (p, sfile, n);
1411       n++;
1412     }
1413 }
1414 
1415 static void
wr_cs(void)1416 wr_cs (void)
1417 {
1418   /* It seems that the CS struct is not normal - the size is wrong
1419      heres one I prepared earlier.  */
1420   static char b[] =
1421     {
1422     0x80,			/* IT */
1423     0x21,			/* RL */
1424     0x00,			/* number of chars in variable length part */
1425     0x80,			/* hd */
1426     0x00,			/* hs */
1427     0x80,			/* un */
1428     0x00,			/* us */
1429     0x80,			/* sc */
1430     0x00,			/* ss */
1431     0x80,			/* er */
1432     0x80,			/* ed */
1433     0x80,			/* sh */
1434     0x80,			/* ob */
1435     0x80,			/* rl */
1436     0x80,			/* du */
1437     0x80,			/* dps */
1438     0x80,			/* dsy */
1439     0x80,			/* dty */
1440     0x80,			/* dln */
1441     0x80,			/* dso */
1442     0x80,			/* dus */
1443     0x00,			/* dss */
1444     0x80,			/* dbt */
1445     0x00,			/* dpp */
1446     0x80,			/* dfp */
1447     0x80,			/* den */
1448     0x80,			/* dds */
1449     0x80,			/* dar */
1450     0x80,			/* dpt */
1451     0x00,			/* dul */
1452     0x00,			/* dse */
1453     0x00,			/* dot */
1454     0xDE			/* CS */
1455   };
1456   fwrite (b, 1, sizeof (b), file);
1457 }
1458 
1459 /* Write out the SC records for a unit.  Create an SC
1460    for all the sections which appear in the output file, even
1461    if there isn't an equivalent one on the input.  */
1462 
1463 static int
wr_sc(struct coff_ofile * ptr,struct coff_sfile * sfile)1464 wr_sc (struct coff_ofile *ptr, struct coff_sfile *sfile)
1465 {
1466   int i;
1467   int scount = 0;
1468   /* First work out the total number of sections.  */
1469   int total_sec = ptr->nsections;
1470   struct myinfo
1471     {
1472       struct coff_section *sec;
1473       struct coff_symbol *symbol;
1474     };
1475   struct coff_symbol *symbol;
1476   struct myinfo *info
1477     = (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
1478 
1479 
1480   for (i = 0; i < total_sec; i++)
1481     {
1482       info[i].sec = ptr->sections + i;
1483       info[i].symbol = 0;
1484     }
1485 
1486   for (symbol = sfile->scope->vars_head;
1487        symbol;
1488        symbol = symbol->next)
1489     {
1490 
1491       if (symbol->type->type == coff_secdef_type)
1492 	{
1493 	  for (i = 0; i < total_sec; i++)
1494 	    {
1495 	      if (symbol->where->section == info[i].sec)
1496 		{
1497 		  info[i].symbol = symbol;
1498 		  break;
1499 		}
1500 	    }
1501 	}
1502     }
1503 
1504   /* Now output all the section info, and fake up some stuff for sections
1505      we don't have.  */
1506   for (i = 1; i < total_sec; i++)
1507     {
1508       struct IT_sc sc;
1509       char *name;
1510 
1511       symbol = info[i].symbol;
1512       sc.spare = 0;
1513       sc.spare1 = 0;
1514 
1515       if (!symbol)
1516 	{
1517 	  /* Don't have a symbol set aside for this section, which means
1518 	     that nothing in this file does anything for the section.  */
1519 	  sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
1520 	  sc.addr = 0;
1521 	  sc.length = 0;
1522 	  name = info[i].sec->name;
1523 	}
1524       else
1525 	{
1526 	  if (bfd_get_file_flags (abfd) & EXEC_P)
1527 	    {
1528 	      sc.format = 0;
1529 	      sc.addr = symbol->where->offset;
1530 	    }
1531 	  else
1532 	    {
1533 	      sc.format = 1;
1534 	      sc.addr = 0;
1535 	    }
1536 	  sc.length = symbol->type->size;
1537 	  name = symbol->name;
1538 	}
1539 
1540       sc.align = 4;
1541       sc.concat = CONCAT_SIMPLE;
1542       sc.read = 3;
1543       sc.write = 3;
1544       sc.exec = 3;
1545       sc.init = 3;
1546       sc.mode = 3;
1547       sc.spare = 0;
1548       sc.segadd = 0;
1549       sc.spare1 = 0;		/* If not zero, then it doesn't work.  */
1550       sc.name = section_translate (name);
1551 
1552       if (strlen (sc.name) == 1)
1553 	{
1554 	  switch (sc.name[0])
1555 	    {
1556 	    case 'D':
1557 	    case 'B':
1558 	      sc.contents = CONTENTS_DATA;
1559 	      break;
1560 
1561 	    default:
1562 	      sc.contents = CONTENTS_CODE;
1563 	    }
1564 	}
1565       else
1566 	{
1567 	  sc.contents = CONTENTS_CODE;
1568 	}
1569 
1570       sysroff_swap_sc_out (file, &sc);
1571       scount++;
1572     }
1573   return scount;
1574 }
1575 
1576 /* Write out the ER records for a unit.  */
1577 
1578 static void
wr_er(struct coff_ofile * ptr,struct coff_sfile * sfile ATTRIBUTE_UNUSED,int first)1579 wr_er (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1580        int first)
1581 {
1582   int idx = 0;
1583   struct coff_symbol *sym;
1584 
1585   if (first)
1586     {
1587       for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
1588 	{
1589 	  if (sym->visible->type == coff_vis_ext_ref)
1590 	    {
1591 	      struct IT_er er;
1592 
1593 	      er.spare = 0;
1594 	      er.type = ER_NOTSPEC;
1595 	      er.name = sym->name;
1596 	      sysroff_swap_er_out (file, &er);
1597 	      sym->er_number = idx++;
1598 	    }
1599 	}
1600     }
1601 }
1602 
1603 /* Write out the ED records for a unit.  */
1604 
1605 static void
wr_ed(struct coff_ofile * ptr,struct coff_sfile * sfile ATTRIBUTE_UNUSED,int first)1606 wr_ed (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1607        int first)
1608 {
1609   struct coff_symbol *s;
1610 
1611   if (first)
1612     {
1613       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
1614 	{
1615 	  if (s->visible->type == coff_vis_ext_def
1616 	      || s->visible->type == coff_vis_common)
1617 	    {
1618 	      struct IT_ed ed;
1619 
1620 	      ed.section = s->where->section->number;
1621 	      ed.spare = 0;
1622 
1623 	      if (s->where->section->data)
1624 		{
1625 		  ed.type = ED_TYPE_DATA;
1626 		}
1627 	      else if (s->where->section->code & SEC_CODE)
1628 		{
1629 		  ed.type = ED_TYPE_ENTRY;
1630 		}
1631 	      else
1632 		{
1633 		  ed.type = ED_TYPE_NOTSPEC;
1634 		  ed.type = ED_TYPE_DATA;
1635 		}
1636 
1637 	      ed.address = s->where->offset - s->where->section->address;
1638 	      ed.name = s->name;
1639 	      sysroff_swap_ed_out (file, &ed);
1640 	    }
1641 	}
1642     }
1643 }
1644 
1645 static void
wr_unit_info(struct coff_ofile * ptr)1646 wr_unit_info (struct coff_ofile *ptr)
1647 {
1648   struct coff_sfile *sfile;
1649   int first = 1;
1650 
1651   for (sfile = ptr->source_head;
1652        sfile;
1653        sfile = sfile->next)
1654     {
1655       long p1;
1656       long p2;
1657       int nsecs;
1658 
1659       p1 = ftell (file);
1660       wr_un (ptr, sfile, first, 0);
1661       nsecs = wr_sc (ptr, sfile);
1662       p2 = ftell (file);
1663       fseek (file, p1, SEEK_SET);
1664       wr_un (ptr, sfile, first, nsecs);
1665       fseek (file, p2, SEEK_SET);
1666       wr_er (ptr, sfile, first);
1667       wr_ed (ptr, sfile, first);
1668       first = 0;
1669     }
1670 }
1671 
1672 static void
wr_module(struct coff_ofile * p)1673 wr_module (struct coff_ofile *p)
1674 {
1675   wr_cs ();
1676   wr_hd (p);
1677   wr_unit_info (p);
1678   wr_object_body (p);
1679   wr_debug (p);
1680   wr_tr ();
1681 }
1682 
1683 static int
align(int x)1684 align (int x)
1685 {
1686   return (x + 3) & ~3;
1687 }
1688 
1689 /* Find all the common variables and turn them into
1690    ordinary defs - dunno why, but thats what hitachi does with 'em.  */
1691 
1692 static void
prescan(struct coff_ofile * tree)1693 prescan (struct coff_ofile *tree)
1694 {
1695   struct coff_symbol *s;
1696   struct coff_section *common_section;
1697 
1698   /* Find the common section - always section 3.  */
1699   common_section = tree->sections + 3;
1700 
1701   for (s = tree->symbol_list_head;
1702        s;
1703        s = s->next_in_ofile_list)
1704     {
1705       if (s->visible->type == coff_vis_common)
1706 	{
1707 	  struct coff_where *w = s->where;
1708 	  /*      s->visible->type = coff_vis_ext_def; leave it as common */
1709 	  common_section->size = align (common_section->size);
1710 	  w->offset = common_section->size + common_section->address;
1711 	  w->section = common_section;
1712 	  common_section->size += s->type->size;
1713 	  common_section->size = align (common_section->size);
1714 	}
1715     }
1716 }
1717 
1718 char *program_name;
1719 
1720 static void
show_usage(FILE * file,int status)1721 show_usage (FILE *file, int status)
1722 {
1723   fprintf (file, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
1724   fprintf (file, _("Convert a COFF object file into a SYSROFF object file\n"));
1725   fprintf (file, _(" The options are:\n\
1726   -q --quick       (Obsolete - ignored)\n\
1727   -n --noprescan   Do not perform a scan to convert commons into defs\n\
1728   -d --debug       Display information about what is being done\n\
1729   @<file>          Read options from <file>\n\
1730   -h --help        Display this information\n\
1731   -v --version     Print the program's version number\n"));
1732 
1733   if (REPORT_BUGS_TO[0] && status == 0)
1734     fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
1735   exit (status);
1736 }
1737 
1738 int
main(int ac,char ** av)1739 main (int ac, char **av)
1740 {
1741   int opt;
1742   static struct option long_options[] =
1743   {
1744     {"debug", no_argument, 0, 'd'},
1745     {"quick", no_argument, 0, 'q'},
1746     {"noprescan", no_argument, 0, 'n'},
1747     {"help", no_argument, 0, 'h'},
1748     {"version", no_argument, 0, 'V'},
1749     {NULL, no_argument, 0, 0}
1750   };
1751   char **matching;
1752   char *input_file;
1753   char *output_file;
1754 
1755 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1756   setlocale (LC_MESSAGES, "");
1757 #endif
1758 #if defined (HAVE_SETLOCALE)
1759   setlocale (LC_CTYPE, "");
1760 #endif
1761   bindtextdomain (PACKAGE, LOCALEDIR);
1762   textdomain (PACKAGE);
1763 
1764   program_name = av[0];
1765   xmalloc_set_program_name (program_name);
1766 
1767   expandargv (&ac, &av);
1768 
1769   while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
1770 			     (int *) NULL))
1771 	 != EOF)
1772     {
1773       switch (opt)
1774 	{
1775 	case 'q':
1776 	  quick = 1;
1777 	  break;
1778 	case 'n':
1779 	  noprescan = 1;
1780 	  break;
1781 	case 'd':
1782 	  debug = 1;
1783 	  break;
1784 	case 'H':
1785 	case 'h':
1786 	  show_usage (stdout, 0);
1787 	  /*NOTREACHED */
1788 	case 'v':
1789 	case 'V':
1790 	  print_version ("srconv");
1791 	  exit (0);
1792 	  /*NOTREACHED */
1793 	case 0:
1794 	  break;
1795 	default:
1796 	  show_usage (stderr, 1);
1797 	  /*NOTREACHED */
1798 	}
1799     }
1800 
1801   /* The input and output files may be named on the command line.  */
1802   output_file = NULL;
1803   if (optind < ac)
1804     {
1805       input_file = av[optind];
1806       ++optind;
1807       if (optind < ac)
1808 	{
1809 	  output_file = av[optind];
1810 	  ++optind;
1811 	  if (optind < ac)
1812 	    show_usage (stderr, 1);
1813 	  if (strcmp (input_file, output_file) == 0)
1814 	    {
1815 	      fatal (_("input and output files must be different"));
1816 	    }
1817 	}
1818     }
1819   else
1820     input_file = 0;
1821 
1822   if (!input_file)
1823     {
1824       fatal (_("no input file specified"));
1825     }
1826 
1827   if (!output_file)
1828     {
1829       /* Take a .o off the input file and stick on a .obj.  If
1830          it doesn't end in .o, then stick a .obj on anyway */
1831 
1832       int len = strlen (input_file);
1833 
1834       output_file = xmalloc (len + 5);
1835       strcpy (output_file, input_file);
1836 
1837       if (len > 3
1838 	  && output_file[len - 2] == '.'
1839 	  && output_file[len - 1] == 'o')
1840 	{
1841 	  output_file[len] = 'b';
1842 	  output_file[len + 1] = 'j';
1843 	  output_file[len + 2] = 0;
1844 	}
1845       else
1846 	{
1847 	  strcat (output_file, ".obj");
1848 	}
1849     }
1850 
1851   abfd = bfd_openr (input_file, 0);
1852 
1853   if (!abfd)
1854     bfd_fatal (input_file);
1855 
1856   if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1857     {
1858       bfd_nonfatal (input_file);
1859 
1860       if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1861 	{
1862 	  list_matching_formats (matching);
1863 	  free (matching);
1864 	}
1865       exit (1);
1866     }
1867 
1868   file = fopen (output_file, FOPEN_WB);
1869 
1870   if (!file)
1871     fatal (_("unable to open output file %s"), output_file);
1872 
1873   if (debug)
1874     printf ("ids %d %d\n", base1, base2);
1875 
1876   tree = coff_grok (abfd);
1877 
1878   if (!noprescan)
1879     prescan (tree);
1880 
1881   wr_module (tree);
1882   return 0;
1883 }
1884