1 /* srconv.c -- Sysroff conversion program
2    Copyright (C) 1994-2018 Free Software Foundation, Inc.
3 
4    This file is part of GNU Binutils.
5 
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10 
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
19    02110-1301, USA.  */
20 
21 /* Written by Steve Chamberlain (sac@cygnus.com)
22 
23    This program can be used to convert a coff object file
24    into a Hitachi OM/LM (Sysroff) format.
25 
26    All debugging information is preserved */
27 
28 #include "sysdep.h"
29 #include "bfd.h"
30 #include "bucomm.h"
31 #include "sysroff.h"
32 #include "coffgrok.h"
33 #include "libiberty.h"
34 #include "filenames.h"
35 #include "getopt.h"
36 
37 #include "coff/internal.h"
38 #include "../bfd/libcoff.h"
39 
40 /*#define FOOP1 1 */
41 
42 static int addrsize;
43 static char *toolname;
44 static char **rnames;
45 
46 static void walk_tree_symbol
47   (struct coff_sfile *, struct coff_section *, struct coff_symbol *, int);
48 static void walk_tree_scope
49   (struct coff_section *, struct coff_sfile *, struct coff_scope *, int, int);
50 static int find_base (struct coff_sfile *, struct coff_section *);
51 static void wr_globals (struct coff_ofile *, struct coff_sfile *, int);
52 
53 static FILE *file;
54 static bfd *abfd;
55 static int debug = 0;
56 static int quick = 0;
57 static int noprescan = 0;
58 static struct coff_ofile *tree;
59 /* Obsolete ??
60    static int absolute_p;
61  */
62 
63 static int segmented_p;
64 static int code;
65 
66 static int ids1[20000];
67 static int ids2[20000];
68 
69 static int base1 = 0x18;
70 static int base2 = 0x2018;
71 
72 static int
get_member_id(int x)73 get_member_id (int x)
74 {
75   if (ids2[x])
76     return ids2[x];
77 
78   ids2[x] = base2++;
79   return ids2[x];
80 }
81 
82 static int
get_ordinary_id(int x)83 get_ordinary_id (int x)
84 {
85   if (ids1[x])
86     return ids1[x];
87 
88   ids1[x] = base1++;
89   return ids1[x];
90 }
91 static char *
section_translate(char * n)92 section_translate (char *n)
93 {
94   if (strcmp (n, ".text") == 0)
95     return "P";
96   if (strcmp (n, ".data") == 0)
97     return "D";
98   if (strcmp (n, ".bss") == 0)
99     return "B";
100   return n;
101 }
102 
103 #define DATE "940201073000";	/* Just a time on my birthday */
104 
105 static char *
strip_suffix(const char * name)106 strip_suffix (const char *name)
107 {
108   int i;
109   char *res;
110 
111   for (i = 0; name[i] != 0 && name[i] != '.'; i++)
112     ;
113   res = (char *) xmalloc (i + 1);
114   memcpy (res, name, i);
115   res[i] = 0;
116   return res;
117 }
118 
119 /* IT LEN stuff CS */
120 static void
checksum(FILE * ffile,unsigned char * ptr,int size,int ccode)121 checksum (FILE *ffile, unsigned char *ptr, int size, int ccode)
122 {
123   int j;
124   int last;
125   int sum = 0;
126   int bytes = size / 8;
127 
128   last = !(ccode & 0xff00);
129   if (size & 0x7)
130     fatal (_("Checksum failure"));
131 
132   ptr[0] = ccode | (last ? 0x80 : 0);
133   ptr[1] = bytes + 1;
134 
135   for (j = 0; j < bytes; j++)
136     sum += ptr[j];
137 
138   /* Glue on a checksum too.  */
139   ptr[bytes] = ~sum;
140   if (fwrite (ptr, bytes + 1, 1, ffile) != 1)
141     /* FIXME: Return error status.  */
142     fatal (_("Failed to write checksum"));
143 }
144 
145 
146 static void
writeINT(int n,unsigned char * ptr,int * idx,int size,FILE * ffile)147 writeINT (int n, unsigned char *ptr, int *idx, int size, FILE *ffile)
148 {
149   int byte = *idx / 8;
150 
151   if (size == -2)
152     size = addrsize;
153   else if (size == -1)
154     size = 0;
155 
156   if (byte > 240)
157     {
158       /* Lets write out that record and do another one.  */
159       checksum (ffile, ptr, *idx, code | 0x1000);
160       *idx = 16;
161       byte = *idx / 8;
162     }
163 
164   switch (size)
165     {
166     case 0:
167       break;
168     case 1:
169       ptr[byte] = n;
170       break;
171     case 2:
172       ptr[byte + 0] = n >> 8;
173       ptr[byte + 1] = n;
174       break;
175     case 4:
176       ptr[byte + 0] = n >> 24;
177       ptr[byte + 1] = n >> 16;
178       ptr[byte + 2] = n >> 8;
179       ptr[byte + 3] = n >> 0;
180       break;
181     default:
182       fatal (_("Unsupported integer write size: %d"), size);
183     }
184   *idx += size * 8;
185 }
186 
187 static void
writeBITS(int val,unsigned char * ptr,int * idx,int size)188 writeBITS (int val, unsigned char *ptr, int *idx, int size)
189 {
190   int byte = *idx / 8;
191   int bit = *idx % 8;
192   int old;
193 
194   *idx += size;
195 
196   old = ptr[byte];
197   /* Turn off all about to change bits.  */
198   old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
199   /* Turn on the bits we want.  */
200   old |= (val & ((1 << size) - 1)) << (8 - bit - size);
201   ptr[byte] = old;
202 }
203 
204 static void
writeBARRAY(barray data,unsigned char * ptr,int * idx,int size ATTRIBUTE_UNUSED,FILE * ffile)205 writeBARRAY (barray data, unsigned char *ptr, int *idx,
206 	     int size ATTRIBUTE_UNUSED, FILE *ffile)
207 {
208   int i;
209 
210   writeINT (data.len, ptr, idx, 1, ffile);
211   for (i = 0; i < data.len; i++)
212     writeINT (data.data[i], ptr, idx, 1, ffile);
213 }
214 
215 static void
writeCHARS(char * string,unsigned char * ptr,int * idx,int size,FILE * ffile)216 writeCHARS (char *string, unsigned char *ptr, int *idx, int size, FILE *ffile)
217 {
218   int i = *idx / 8;
219 
220   if (i > 240)
221     {
222       /* Lets write out that record and do another one.  */
223       checksum (ffile, ptr, *idx, code | 0x1000);
224       *idx = 16;
225       i = *idx / 8;
226     }
227 
228   if (size == 0)
229     {
230       /* Variable length string.  */
231       size = strlen (string);
232       ptr[i++] = size;
233     }
234 
235   /* BUG WAITING TO HAPPEN.  */
236   memcpy (ptr + i, string, size);
237   i += size;
238   *idx = i * 8;
239 }
240 
241 #define SYSROFF_SWAP_OUT
242 #include "sysroff.c"
243 
244 static char *rname_sh[] =
245 {
246   "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
247 };
248 
249 static char *rname_h8300[] =
250 {
251   "ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
252 };
253 
254 static void
wr_tr(void)255 wr_tr (void)
256 {
257   /* The TR block is not normal - it doesn't have any contents.  */
258 
259   static char b[] =
260     {
261       0xff,			/* IT */
262       0x03,			/* RL */
263       0xfd,			/* CS */
264     };
265 
266   if (fwrite (b, sizeof (b), 1, file) != 1)
267     /* FIXME: Return error status.  */
268     fatal (_("Failed to write TR block"));
269 }
270 
271 static void
wr_un(struct coff_ofile * ptr,struct coff_sfile * sfile,int first,int nsecs ATTRIBUTE_UNUSED)272 wr_un (struct coff_ofile *ptr, struct coff_sfile *sfile, int first,
273        int nsecs ATTRIBUTE_UNUSED)
274 {
275   struct IT_un un;
276   struct coff_symbol *s;
277 
278   un.spare1 = 0;
279 
280   if (bfd_get_file_flags (abfd) & EXEC_P)
281     un.format = FORMAT_LM;
282   else
283     un.format = FORMAT_OM;
284   un.spare1 = 0;
285 
286   /* Don't count the abs section.  */
287   un.nsections = ptr->nsections - 1;
288 
289   un.nextdefs = 0;
290   un.nextrefs = 0;
291   /* Count all the undefined and defined variables with global scope.  */
292 
293   if (first)
294     {
295       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
296 	{
297 	  if (s->visible->type == coff_vis_ext_def
298 	      || s->visible->type == coff_vis_common)
299 	    un.nextdefs++;
300 
301 	  if (s->visible->type == coff_vis_ext_ref)
302 	    un.nextrefs++;
303 	}
304     }
305   un.tool = toolname;
306   un.tcd = DATE;
307   un.linker = "L_GX00";
308   un.lcd = DATE;
309   un.name = sfile->name;
310   sysroff_swap_un_out (file, &un);
311 }
312 
313 static void
wr_hd(struct coff_ofile * p)314 wr_hd (struct coff_ofile *p)
315 {
316   struct IT_hd hd;
317 
318   hd.spare1 = 0;
319   if (bfd_get_file_flags (abfd) & EXEC_P)
320     hd.mt = MTYPE_ABS_LM;
321   else
322     hd.mt = MTYPE_OMS_OR_LMS;
323 
324   hd.cd = DATE;
325 
326   hd.nu = p->nsources;		/* Always one unit */
327   hd.code = 0;			/* Always ASCII */
328   hd.ver = "0200";		/* Version 2.00 */
329 
330   switch (bfd_get_arch (abfd))
331     {
332     case bfd_arch_h8300:
333       hd.au = 8;
334       hd.si = 0;
335       hd.spcsz = 32;
336       hd.segsz = 0;
337       hd.segsh = 0;
338       switch (bfd_get_mach (abfd))
339 	{
340 	case bfd_mach_h8300:
341 	  hd.cpu = "H8300";
342 	  hd.afl = 2;
343 	  addrsize = 2;
344 	  toolname = "C_H8/300";
345 	  break;
346 	case bfd_mach_h8300h:
347 	  hd.cpu = "H8300H";
348 	  hd.afl = 4;
349 	  addrsize = 4;
350 	  toolname = "C_H8/300H";
351 	  break;
352 	case bfd_mach_h8300s:
353 	  hd.cpu = "H8300S";
354 	  hd.afl = 4;
355 	  addrsize = 4;
356 	  toolname = "C_H8/300S";
357 	  break;
358 	default:
359 	  fatal (_("Unrecognized H8300 sub-architecture: %ld"),
360 		 bfd_get_mach (abfd));
361 	}
362       rnames = rname_h8300;
363       break;
364     case bfd_arch_sh:
365       hd.au = 8;
366       hd.si = 0;
367       hd.afl = 4;
368       hd.spcsz = 32;
369       hd.segsz = 0;
370       hd.segsh = 0;
371       hd.cpu = "SH";
372       addrsize = 4;
373       toolname = "C_SH";
374       rnames = rname_sh;
375       break;
376     default:
377       fatal (_("Unsupported architecture: %d"), bfd_get_arch (abfd));
378     }
379 
380   if (! (bfd_get_file_flags(abfd) & EXEC_P))
381     {
382       hd.ep = 0;
383     }
384   else
385     {
386       hd.ep = 1;
387       hd.uan = 0;
388       hd.sa = 0;
389       hd.sad = 0;
390       hd.address = bfd_get_start_address (abfd);
391     }
392 
393   hd.os = "";
394   hd.sys = "";
395   hd.mn = strip_suffix (bfd_get_filename (abfd));
396 
397   sysroff_swap_hd_out (file, &hd);
398 }
399 
400 
401 static void
wr_sh(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_section * sec)402 wr_sh (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *sec)
403 {
404   struct IT_sh sh;
405   sh.unit = 0;
406   sh.section = sec->number;
407 #ifdef FOOP1
408   sh.section = 0;
409 #endif
410   sysroff_swap_sh_out (file, &sh);
411 }
412 
413 
414 static void
wr_ob(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_section * section)415 wr_ob (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *section)
416 {
417   bfd_size_type i;
418   int first = 1;
419   unsigned char stuff[200];
420 
421   i = 0;
422   while (i < bfd_get_section_size (section->bfd_section))
423     {
424       struct IT_ob ob;
425       int todo = 200;		/* Copy in 200 byte lumps.  */
426 
427       ob.spare = 0;
428       if (i + todo > bfd_get_section_size (section->bfd_section))
429 	todo = bfd_get_section_size (section->bfd_section) - i;
430 
431       if (first)
432 	{
433 	  ob.saf = 1;
434 	  if (bfd_get_file_flags (abfd) & EXEC_P)
435 	    ob.address = section->address;
436 	  else
437 	    ob.address = 0;
438 
439 	  first = 0;
440 	}
441       else
442 	{
443 	  ob.saf = 0;
444 	}
445 
446       ob.cpf = 0;		/* Never compress.  */
447       ob.data.len = todo;
448       bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
449       ob.data.data = stuff;
450       sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
451       i += todo;
452     }
453 
454   /* Now fill the rest with blanks.  */
455   while (i < (bfd_size_type) section->size)
456     {
457       struct IT_ob ob;
458       int todo = 200;		/* Copy in 200 byte lumps.  */
459 
460       ob.spare = 0;
461       if (i + todo > (bfd_size_type) section->size)
462 	todo = section->size - i;
463       ob.saf = 0;
464 
465       ob.cpf = 0;		/* Never compress.  */
466       ob.data.len = todo;
467       memset (stuff, 0, todo);
468       ob.data.data = stuff;
469       sysroff_swap_ob_out (file, &ob);
470       i += todo;
471     }
472   /* Now fill the rest with blanks.  */
473 }
474 
475 static void
wr_rl(struct coff_ofile * ptr ATTRIBUTE_UNUSED,struct coff_section * sec)476 wr_rl (struct coff_ofile *ptr ATTRIBUTE_UNUSED, struct coff_section *sec)
477 {
478   int nr = sec->nrelocs;
479   int i;
480 
481   for (i = 0; i < nr; i++)
482     {
483       struct coff_reloc *r = sec->relocs + i;
484       struct coff_symbol *ref;
485       struct IT_rl rl;
486 
487       rl.apol = 0;
488       rl.boundary = 0;
489       rl.segment = 1;
490       rl.sign = 0;
491       rl.check = 0;
492       rl.addr = r->offset;
493       rl.bitloc = 0;
494       rl.flen = 32;		/* SH Specific.  */
495 
496       /* What sort of reloc ? Look in the section to find out.  */
497       ref = r->symbol;
498       if (ref->visible->type == coff_vis_ext_ref)
499 	{
500 	  rl.bcount = 4;	/* Always 4 for us.  */
501 	  rl.op = OP_EXT_REF;
502 	  rl.symn = ref->er_number;
503 	}
504       else if (ref->visible->type == coff_vis_common)
505 	{
506 	  rl.bcount = 11;	/* Always 11 for us.  */
507 	  rl.op = OP_SEC_REF;
508 	  rl.secn = ref->where->section->number;
509 	  rl.copcode_is_3 = 3;
510 	  rl.alength_is_4 = 4;
511 	  rl.addend = ref->where->offset - ref->where->section->address;
512 	  rl.aopcode_is_0x20 = 0x20;
513 	}
514       else
515 	{
516 	  rl.bcount = 11;	/* Always 11 for us.  */
517 	  rl.op = OP_SEC_REF;
518 	  rl.secn = ref->where->section->number;
519 	  rl.copcode_is_3 = 3;
520 	  rl.alength_is_4 = 4;
521 	  rl.addend = -ref->where->section->address;
522 	  rl.aopcode_is_0x20 = 0x20;
523 	}
524 
525       rl.end = 0xff;
526 
527       if (   rl.op == OP_SEC_REF
528 	  || rl.op == OP_EXT_REF)
529 	sysroff_swap_rl_out (file, &rl);
530     }
531 }
532 
533 static void
wr_object_body(struct coff_ofile * p)534 wr_object_body (struct coff_ofile *p)
535 {
536   int i;
537 
538   for (i = 1; i < p->nsections; i++)
539     {
540       wr_sh (p, p->sections + i);
541       wr_ob (p, p->sections + i);
542       wr_rl (p, p->sections + i);
543     }
544 }
545 
546 static void
wr_dps_start(struct coff_sfile * sfile,struct coff_section * section ATTRIBUTE_UNUSED,struct coff_scope * scope,int type,int nest)547 wr_dps_start (struct coff_sfile *sfile,
548 	      struct coff_section *section ATTRIBUTE_UNUSED,
549 	      struct coff_scope *scope, int type, int nest)
550 {
551   struct IT_dps dps;
552 
553   dps.end = 0;
554   dps.opt = 0;
555   dps.type = type;
556 
557   if (scope->sec)
558     {
559       dps.san = scope->sec->number;
560       dps.address = scope->offset - find_base (sfile, scope->sec);
561       dps.block_size = scope->size;
562 
563       if (debug)
564 	{
565 	  printf ("DPS %s %d %x\n",
566 		  sfile->name,
567 		  nest,
568 		  dps.address);
569 	}
570     }
571   else
572     {
573       dps.san = 0;
574       dps.address = 0;
575       dps.block_size = 0;
576     }
577 
578   dps.nesting = nest;
579   dps.neg = 0x1001;
580   sysroff_swap_dps_out (file, &dps);
581 }
582 
583 static void
wr_dps_end(struct coff_section * section ATTRIBUTE_UNUSED,struct coff_scope * scope ATTRIBUTE_UNUSED,int type)584 wr_dps_end (struct coff_section *section ATTRIBUTE_UNUSED,
585 	    struct coff_scope *scope ATTRIBUTE_UNUSED, int type)
586 {
587   struct IT_dps dps;
588 
589   dps.end = 1;
590   dps.type = type;
591   sysroff_swap_dps_out (file, &dps);
592 }
593 
594 static int *
nints(int x)595 nints (int x)
596 {
597   return (int *) (xcalloc (sizeof (int), x));
598 }
599 
600 static void
walk_tree_type_1(struct coff_sfile * sfile,struct coff_symbol * symbol,struct coff_type * type,int nest)601 walk_tree_type_1 (struct coff_sfile *sfile, struct coff_symbol *symbol,
602 		  struct coff_type *type, int nest)
603 {
604   switch (type->type)
605     {
606     case coff_secdef_type:
607     case coff_basic_type:
608       {
609 	struct IT_dbt dbt;
610 
611 	switch (type->u.basic)
612 	  {
613 	  case T_NULL:
614 	  case T_VOID:
615 	    dbt.btype = BTYPE_VOID;
616 	    dbt.sign = BTYPE_UNSPEC;
617 	    dbt.fptype = FPTYPE_NOTSPEC;
618 	    break;
619 
620 	  case T_CHAR:
621 	    dbt.btype = BTYPE_CHAR;
622 	    dbt.sign = BTYPE_UNSPEC;
623 	    dbt.fptype = FPTYPE_NOTSPEC;
624 	    break;
625 
626 	  case T_SHORT:
627 	  case T_INT:
628 	  case T_LONG:
629 	    dbt.btype = BTYPE_INT;
630 	    dbt.sign = SIGN_SIGNED;
631 	    dbt.fptype = FPTYPE_NOTSPEC;
632 	    break;
633 
634 	  case T_FLOAT:
635 	    dbt.btype = BTYPE_FLOAT;
636 	    dbt.fptype = FPTYPE_SINGLE;
637 	    break;
638 
639 	  case T_DOUBLE:
640 	    dbt.btype = BTYPE_FLOAT;
641 	    dbt.fptype = FPTYPE_DOUBLE;
642 	    break;
643 
644 	  case T_LNGDBL:
645 	    dbt.btype = BTYPE_FLOAT;
646 	    dbt.fptype = FPTYPE_EXTENDED;
647 	    break;
648 
649 	  case T_UCHAR:
650 	    dbt.btype = BTYPE_CHAR;
651 	    dbt.sign = SIGN_UNSIGNED;
652 	    dbt.fptype = FPTYPE_NOTSPEC;
653 	    break;
654 
655 	  case T_USHORT:
656 	  case T_UINT:
657 	  case T_ULONG:
658 	    dbt.btype = BTYPE_INT;
659 	    dbt.sign = SIGN_UNSIGNED;
660 	    dbt.fptype = FPTYPE_NOTSPEC;
661 	    break;
662 	  }
663 
664 	dbt.bitsize = type->size;
665 	dbt.neg = 0x1001;
666 	sysroff_swap_dbt_out (file, &dbt);
667 	break;
668       }
669 
670     case coff_pointer_type:
671       {
672 	struct IT_dpt dpt;
673 
674 	dpt.dunno = 0;
675 	walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
676 	dpt.neg = 0x1001;
677 	sysroff_swap_dpt_out (file, &dpt);
678 	break;
679       }
680 
681     case coff_function_type:
682       {
683 	struct IT_dfp dfp;
684 	struct coff_symbol *param;
685 
686 	dfp.end = 0;
687 	dfp.spare = 0;
688 	dfp.nparams = type->u.function.parameters->nvars;
689 	dfp.neg = 0x1001;
690 
691 	walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
692 
693 	sysroff_swap_dfp_out (file, &dfp);
694 
695 	for (param = type->u.function.parameters->vars_head;
696 	     param;
697 	     param = param->next)
698 	  walk_tree_symbol (sfile, 0, param, nest);
699 
700 	dfp.end = 1;
701 	sysroff_swap_dfp_out (file, &dfp);
702 	break;
703       }
704 
705     case coff_structdef_type:
706       {
707 	struct IT_dbt dbt;
708 	struct IT_dds dds;
709 	struct coff_symbol *member;
710 
711 	dds.spare = 0;
712 	dbt.btype = BTYPE_STRUCT;
713 	dbt.bitsize = type->size;
714 	dbt.sign = SIGN_UNSPEC;
715 	dbt.fptype = FPTYPE_NOTSPEC;
716 	dbt.sid = get_member_id (type->u.astructdef.idx);
717 	dbt.neg = 0x1001;
718 	sysroff_swap_dbt_out (file, &dbt);
719 	dds.end = 0;
720 	dds.neg = 0x1001;
721 	sysroff_swap_dds_out (file, &dds);
722 
723 	for (member = type->u.astructdef.elements->vars_head;
724 	     member;
725 	     member = member->next)
726 	  walk_tree_symbol (sfile, 0, member, nest + 1);
727 
728 	dds.end = 1;
729 	sysroff_swap_dds_out (file, &dds);
730 
731       }
732       break;
733 
734     case coff_structref_type:
735       {
736 	struct IT_dbt dbt;
737 
738 	dbt.btype = BTYPE_TAG;
739 	dbt.bitsize = type->size;
740 	dbt.sign = SIGN_UNSPEC;
741 	dbt.fptype = FPTYPE_NOTSPEC;
742 
743 	if (type->u.astructref.ref)
744 	  dbt.sid = get_member_id (type->u.astructref.ref->number);
745 	else
746 	  dbt.sid = 0;
747 
748 	dbt.neg = 0x1001;
749 	sysroff_swap_dbt_out (file, &dbt);
750       }
751       break;
752 
753     case coff_array_type:
754       {
755 	struct IT_dar dar;
756 	int j;
757 	int dims = 1;		/* Only output one dimension at a time.  */
758 
759 	dar.dims = dims;
760 	dar.variable = nints (dims);
761 	dar.subtype = nints (dims);
762 	dar.spare = nints (dims);
763 	dar.max_variable = nints (dims);
764 	dar.maxspare = nints (dims);
765 	dar.max = nints (dims);
766 	dar.min_variable = nints (dims);
767 	dar.min = nints (dims);
768 	dar.minspare = nints (dims);
769 	dar.neg = 0x1001;
770 	dar.length = type->size / type->u.array.dim;
771 
772 	for (j = 0; j < dims; j++)
773 	  {
774 	    dar.variable[j] = VARIABLE_FIXED;
775 	    dar.subtype[j] = SUB_INTEGER;
776 	    dar.spare[j] = 0;
777 	    dar.max_variable[j] = 0;
778 	    dar.max[j] = type->u.array.dim;
779 	    dar.min_variable[j] = 0;
780 	    dar.min[j] = 1;	/* Why isn't this 0 ? */
781 	  }
782 	walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
783 	sysroff_swap_dar_out (file, &dar);
784       }
785       break;
786 
787     case coff_enumdef_type:
788       {
789 	struct IT_dbt dbt;
790 	struct IT_den den;
791 	struct coff_symbol *member;
792 
793 	dbt.btype = BTYPE_ENUM;
794 	dbt.bitsize = type->size;
795 	dbt.sign = SIGN_UNSPEC;
796 	dbt.fptype = FPTYPE_NOTSPEC;
797 	dbt.sid = get_member_id (type->u.aenumdef.idx);
798 	dbt.neg = 0x1001;
799 	sysroff_swap_dbt_out (file, &dbt);
800 
801 	den.end = 0;
802 	den.neg = 0x1001;
803 	den.spare = 0;
804 	sysroff_swap_den_out (file, &den);
805 
806 	for (member = type->u.aenumdef.elements->vars_head;
807 	     member;
808 	     member = member->next)
809 	  walk_tree_symbol (sfile, 0, member, nest + 1);
810 
811 	den.end = 1;
812 	sysroff_swap_den_out (file, &den);
813       }
814       break;
815 
816     case coff_enumref_type:
817       {
818 	struct IT_dbt dbt;
819 
820 	dbt.btype = BTYPE_TAG;
821 	dbt.bitsize = type->size;
822 	dbt.sign = SIGN_UNSPEC;
823 	dbt.fptype = FPTYPE_NOTSPEC;
824 	dbt.sid = get_member_id (type->u.aenumref.ref->number);
825 	dbt.neg = 0x1001;
826 	sysroff_swap_dbt_out (file, &dbt);
827       }
828       break;
829 
830     default:
831       fatal (_("Unrecognised type: %d"), type->type);
832     }
833 }
834 
835 /* Obsolete ?
836    static void
837    dty_start ()
838    {
839    struct IT_dty dty;
840    dty.end = 0;
841    dty.neg = 0x1001;
842    dty.spare = 0;
843    sysroff_swap_dty_out (file, &dty);
844    }
845 
846    static void
847    dty_stop ()
848    {
849    struct IT_dty dty;
850    dty.end = 0;
851    dty.neg = 0x1001;
852    dty.end = 1;
853    sysroff_swap_dty_out (file, &dty);
854    }
855 
856 
857    static void
858    dump_tree_structure (sfile, symbol, type, nest)
859    struct coff_sfile *sfile;
860    struct coff_symbol *symbol;
861    struct coff_type *type;
862    int nest;
863    {
864    if (symbol->type->type == coff_function_type)
865    {
866 
867 
868    }
869 
870    }
871  */
872 
873 static void
walk_tree_type(struct coff_sfile * sfile,struct coff_symbol * symbol,struct coff_type * type,int nest)874 walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
875 		struct coff_type *type, int nest)
876 {
877   struct IT_dty dty;
878 
879   dty.spare = 0;
880   dty.end = 0;
881   dty.neg = 0x1001;
882 
883   if (symbol->type->type == coff_function_type)
884     {
885       sysroff_swap_dty_out (file, &dty);
886       walk_tree_type_1 (sfile, symbol, type, nest);
887       dty.end = 1;
888       sysroff_swap_dty_out (file, &dty);
889 
890       wr_dps_start (sfile,
891 		    symbol->where->section,
892 		    symbol->type->u.function.code,
893 		    BLOCK_TYPE_FUNCTION, nest);
894       wr_dps_start (sfile, symbol->where->section,
895 		    symbol->type->u.function.code,
896 		    BLOCK_TYPE_BLOCK, nest);
897       walk_tree_scope (symbol->where->section,
898 		       sfile,
899 		       symbol->type->u.function.code,
900 		       nest + 1, BLOCK_TYPE_BLOCK);
901 
902       wr_dps_end (symbol->where->section,
903 		  symbol->type->u.function.code,
904 		  BLOCK_TYPE_BLOCK);
905       wr_dps_end (symbol->where->section,
906 		  symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
907     }
908   else
909     {
910       sysroff_swap_dty_out (file, &dty);
911       walk_tree_type_1 (sfile, symbol, type, nest);
912       dty.end = 1;
913       sysroff_swap_dty_out (file, &dty);
914     }
915 }
916 
917 static void
walk_tree_symbol(struct coff_sfile * sfile,struct coff_section * section ATTRIBUTE_UNUSED,struct coff_symbol * symbol,int nest)918 walk_tree_symbol (struct coff_sfile *sfile, struct coff_section *section ATTRIBUTE_UNUSED, struct coff_symbol *symbol, int nest)
919 {
920   struct IT_dsy dsy;
921 
922   memset (&dsy, 0, sizeof(dsy));
923   dsy.nesting = nest;
924 
925   switch (symbol->type->type)
926     {
927     case coff_function_type:
928       dsy.type = STYPE_FUNC;
929       dsy.assign = 1;
930       break;
931 
932     case coff_structref_type:
933     case coff_pointer_type:
934     case coff_array_type:
935     case coff_basic_type:
936     case coff_enumref_type:
937       dsy.type = STYPE_VAR;
938       dsy.assign = 1;
939       break;
940 
941     case coff_enumdef_type:
942       dsy.type = STYPE_TAG;
943       dsy.assign = 0;
944       dsy.magic = 2;
945       break;
946 
947     case coff_structdef_type:
948       dsy.type = STYPE_TAG;
949       dsy.assign = 0;
950       dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
951       break;
952 
953     case coff_secdef_type:
954       return;
955 
956     default:
957       fatal (_("Unrecognised coff symbol type: %d"), symbol->type->type);
958     }
959 
960   if (symbol->where->where == coff_where_member_of_struct)
961     {
962       dsy.assign = 0;
963       dsy.type = STYPE_MEMBER;
964     }
965 
966   if (symbol->where->where == coff_where_member_of_enum)
967     {
968       dsy.type = STYPE_ENUM;
969       dsy.assign = 0;
970       dsy.evallen = 4;
971       dsy.evalue = symbol->where->offset;
972     }
973 
974   if (symbol->type->type == coff_structdef_type
975       || symbol->where->where == coff_where_entag
976       || symbol->where->where == coff_where_strtag)
977     {
978       dsy.snumber = get_member_id (symbol->number);
979     }
980   else
981     {
982       dsy.snumber = get_ordinary_id (symbol->number);
983     }
984 
985   dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
986 
987   switch (symbol->visible->type)
988     {
989     case coff_vis_common:
990     case coff_vis_ext_def:
991       dsy.ainfo = AINFO_STATIC_EXT_DEF;
992       break;
993 
994     case coff_vis_ext_ref:
995       dsy.ainfo = AINFO_STATIC_EXT_REF;
996       break;
997 
998     case coff_vis_int_def:
999       dsy.ainfo = AINFO_STATIC_INT;
1000       break;
1001 
1002     case coff_vis_auto:
1003     case coff_vis_autoparam:
1004       dsy.ainfo = AINFO_AUTO;
1005       break;
1006 
1007     case coff_vis_register:
1008     case coff_vis_regparam:
1009       dsy.ainfo = AINFO_REG;
1010       break;
1011       break;
1012 
1013     case coff_vis_tag:
1014     case coff_vis_member_of_struct:
1015     case coff_vis_member_of_enum:
1016       break;
1017 
1018     default:
1019       fatal (_("Unrecognised coff symbol visibility: %d"), symbol->visible->type);
1020     }
1021 
1022   dsy.dlength = symbol->type->size;
1023 
1024   switch (symbol->where->where)
1025     {
1026     case coff_where_memory:
1027 
1028       dsy.section = symbol->where->section->number;
1029 #ifdef FOOP
1030       dsy.section = 0;
1031 #endif
1032       break;
1033 
1034     case coff_where_member_of_struct:
1035     case coff_where_member_of_enum:
1036     case coff_where_stack:
1037     case coff_where_register:
1038     case coff_where_unknown:
1039     case coff_where_strtag:
1040     case coff_where_entag:
1041     case coff_where_typedef:
1042       break;
1043 
1044     default:
1045       fatal (_("Unrecognised coff symbol location: %d"), symbol->where->where);
1046     }
1047 
1048   switch (symbol->where->where)
1049     {
1050     case coff_where_memory:
1051       dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
1052       break;
1053 
1054     case coff_where_stack:
1055       dsy.address = symbol->where->offset;
1056       break;
1057 
1058     case coff_where_member_of_struct:
1059       if (symbol->where->bitsize)
1060 	{
1061 	  int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
1062 	  dsy.bitunit = 1;
1063 	  dsy.field_len = symbol->where->bitsize;
1064 	  dsy.field_off = (bits / 32) * 4;
1065 	  dsy.field_bitoff = bits % 32;
1066 	}
1067       else
1068 	{
1069 	  dsy.bitunit = 0;
1070 
1071 	  dsy.field_len = symbol->type->size;
1072 	  dsy.field_off = symbol->where->offset;
1073 	}
1074       break;
1075 
1076     case coff_where_member_of_enum:
1077       /*      dsy.bitunit = 0;
1078          dsy.field_len  = symbol->type->size;
1079          dsy.field_off = symbol->where->offset; */
1080       break;
1081 
1082     case coff_where_register:
1083     case coff_where_unknown:
1084     case coff_where_strtag:
1085     case coff_where_entag:
1086     case coff_where_typedef:
1087       break;
1088 
1089     default:
1090       fatal (_("Unrecognised coff symbol location: %d"), symbol->where->where);
1091     }
1092 
1093   if (symbol->where->where == coff_where_register)
1094     dsy.reg = rnames[symbol->where->offset];
1095 
1096   switch (symbol->visible->type)
1097     {
1098     case coff_vis_common:
1099       /* We do this 'cause common C symbols are treated as extdefs.  */
1100     case coff_vis_ext_def:
1101     case coff_vis_ext_ref:
1102       dsy.ename = symbol->name;
1103       break;
1104 
1105     case coff_vis_regparam:
1106     case coff_vis_autoparam:
1107       dsy.type = STYPE_PARAMETER;
1108       break;
1109 
1110     case coff_vis_int_def:
1111     case coff_vis_auto:
1112     case coff_vis_register:
1113     case coff_vis_tag:
1114     case coff_vis_member_of_struct:
1115     case coff_vis_member_of_enum:
1116       break;
1117 
1118     default:
1119       fatal (_("Unrecognised coff symbol visibility: %d"), symbol->visible->type);
1120     }
1121 
1122   dsy.sfn = 0;
1123   dsy.sln = 2;
1124   dsy.neg = 0x1001;
1125 
1126   sysroff_swap_dsy_out (file, &dsy);
1127 
1128   walk_tree_type (sfile, symbol, symbol->type, nest);
1129 }
1130 
1131 static void
walk_tree_scope(struct coff_section * section,struct coff_sfile * sfile,struct coff_scope * scope,int nest,int type)1132 walk_tree_scope (struct coff_section *section, struct coff_sfile *sfile, struct coff_scope *scope, int nest, int type)
1133 {
1134   struct coff_symbol *vars;
1135   struct coff_scope *child;
1136 
1137   if (scope->vars_head
1138       || (scope->list_head && scope->list_head->vars_head))
1139     {
1140       wr_dps_start (sfile, section, scope, type, nest);
1141 
1142       if (nest == 0)
1143 	wr_globals (tree, sfile, nest + 1);
1144 
1145       for (vars = scope->vars_head; vars; vars = vars->next)
1146 	walk_tree_symbol (sfile, section, vars, nest);
1147 
1148       for (child = scope->list_head; child; child = child->next)
1149 	walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
1150 
1151       wr_dps_end (section, scope, type);
1152     }
1153 }
1154 
1155 static void
walk_tree_sfile(struct coff_section * section,struct coff_sfile * sfile)1156 walk_tree_sfile (struct coff_section *section, struct coff_sfile *sfile)
1157 {
1158   walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
1159 }
1160 
1161 static void
wr_program_structure(struct coff_ofile * p,struct coff_sfile * sfile)1162 wr_program_structure (struct coff_ofile *p, struct coff_sfile *sfile)
1163 {
1164   if (p->nsections < 4)
1165     return;
1166   walk_tree_sfile (p->sections + 4, sfile);
1167 }
1168 
1169 static void
wr_du(struct coff_ofile * p,struct coff_sfile * sfile,int n)1170 wr_du (struct coff_ofile *p, struct coff_sfile *sfile, int n)
1171 {
1172   struct IT_du du;
1173   int lim;
1174   int i;
1175   int j;
1176   unsigned int *lowest = (unsigned *) nints (p->nsections);
1177   unsigned int *highest = (unsigned *) nints (p->nsections);
1178 
1179   du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
1180   du.optimized = 0;
1181   du.stackfrmt = 0;
1182   du.spare = 0;
1183   du.unit = n;
1184   du.sections = p->nsections - 1;
1185   du.san = (int *) xcalloc (sizeof (int), du.sections);
1186   du.address = nints (du.sections);
1187   du.length = nints (du.sections);
1188 
1189   for (i = 0; i < du.sections; i++)
1190     {
1191       lowest[i] = ~0;
1192       highest[i] = 0;
1193     }
1194 
1195   lim = du.sections;
1196   for (j = 0; j < lim; j++)
1197     {
1198       int src = j;
1199       int dst = j;
1200 
1201       du.san[dst] = dst;
1202 
1203       if (sfile->section[src].init)
1204 	{
1205 	  du.length[dst]
1206 	    = sfile->section[src].high - sfile->section[src].low + 1;
1207 	  du.address[dst]
1208 	    = sfile->section[src].low;
1209 	}
1210       else
1211 	{
1212 	  du.length[dst] = 0;
1213 	  du.address[dst] = 0;
1214 	}
1215 
1216       if (debug)
1217 	{
1218 	  if (sfile->section[src].parent)
1219 	    {
1220 	      printf (" section %6s 0x%08x..0x%08x\n",
1221 		      sfile->section[src].parent->name,
1222 		      du.address[dst],
1223 		      du.address[dst] + du.length[dst] - 1);
1224 	    }
1225 	}
1226 
1227       du.sections = dst + 1;
1228     }
1229 
1230   du.tool = "c_gcc";
1231   du.date = DATE;
1232 
1233   sysroff_swap_du_out (file, &du);
1234 }
1235 
1236 static void
wr_dus(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_sfile * sfile)1237 wr_dus (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile)
1238 {
1239   struct IT_dus dus;
1240 
1241   dus.efn = 0x1001;
1242   dus.ns = 1;			/* p->nsources; sac 14 jul 94 */
1243   dus.drb = nints (dus.ns);
1244   dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
1245   dus.spare = nints (dus.ns);
1246   dus.ndir = 0;
1247   /* Find the filenames.  */
1248   dus.drb[0] = 0;
1249   dus.fname[0] = sfile->name;
1250 
1251   sysroff_swap_dus_out (file, &dus);
1252 
1253 }
1254 
1255 /* Find the offset of the .text section for this sfile in the
1256    .text section for the output file.  */
1257 
1258 static int
find_base(struct coff_sfile * sfile,struct coff_section * section)1259 find_base (struct coff_sfile *sfile, struct coff_section *section)
1260 {
1261   return sfile->section[section->number].low;
1262 }
1263 
1264 static void
wr_dln(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_sfile * sfile,int n ATTRIBUTE_UNUSED)1265 wr_dln (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile,
1266 	int n ATTRIBUTE_UNUSED)
1267 {
1268   /* Count up all the linenumbers */
1269 
1270   struct coff_symbol *sy;
1271   int lc = 0;
1272   struct IT_dln dln;
1273 
1274   int idx;
1275 
1276   for (sy = sfile->scope->vars_head;
1277        sy;
1278        sy = sy->next)
1279     {
1280       struct coff_type *t = sy->type;
1281       if (t->type == coff_function_type)
1282 	{
1283 	  struct coff_line *l = t->u.function.lines;
1284 	  if (l)
1285 	    lc += l->nlines;
1286 	}
1287     }
1288 
1289   dln.sfn = nints (lc);
1290   dln.sln = nints (lc);
1291   dln.cc = nints (lc);
1292   dln.section = nints (lc);
1293 
1294   dln.from_address = nints (lc);
1295   dln.to_address = nints (lc);
1296 
1297 
1298   dln.neg = 0x1001;
1299 
1300   dln.nln = lc;
1301 
1302   /* Run through once more and fill up the structure */
1303   idx = 0;
1304   for (sy = sfile->scope->vars_head;
1305        sy;
1306        sy = sy->next)
1307     {
1308       if (sy->type->type == coff_function_type)
1309 	{
1310 	  int i;
1311 	  struct coff_line *l = sy->type->u.function.lines;
1312 	  if (l)
1313 	    {
1314 	      int base = find_base (sfile, sy->where->section);
1315 	      for (i = 0; i < l->nlines; i++)
1316 		{
1317 		  dln.section[idx] = sy->where->section->number;
1318 		  dln.sfn[idx] = 0;
1319 		  dln.sln[idx] = l->lines[i];
1320 		  dln.from_address[idx] =
1321 		    l->addresses[i] + sy->where->section->address - base;
1322 		  dln.cc[idx] = 0;
1323 		  if (idx)
1324 		    dln.to_address[idx - 1] = dln.from_address[idx];
1325 		  idx++;
1326 
1327 		}
1328 	      dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
1329 	    }
1330 	}
1331     }
1332   if (lc)
1333     sysroff_swap_dln_out (file, &dln);
1334 }
1335 
1336 /* Write the global symbols out to the debug info.  */
1337 
1338 static void
wr_globals(struct coff_ofile * p,struct coff_sfile * sfile,int n ATTRIBUTE_UNUSED)1339 wr_globals (struct coff_ofile *p, struct coff_sfile *sfile,
1340 	    int n ATTRIBUTE_UNUSED)
1341 {
1342   struct coff_symbol *sy;
1343 
1344   for (sy = p->symbol_list_head;
1345        sy;
1346        sy = sy->next_in_ofile_list)
1347     {
1348       if (sy->visible->type == coff_vis_ext_def
1349 	  || sy->visible->type == coff_vis_ext_ref)
1350 	{
1351 	  /* Only write out symbols if they belong to
1352 	     the current source file.  */
1353 	  if (sy->sfile == sfile)
1354 	    walk_tree_symbol (sfile, 0, sy, 0);
1355 	}
1356     }
1357 }
1358 
1359 static void
wr_debug(struct coff_ofile * p)1360 wr_debug (struct coff_ofile *p)
1361 {
1362   struct coff_sfile *sfile;
1363   int n = 0;
1364 
1365   for (sfile = p->source_head;
1366        sfile;
1367        sfile = sfile->next)
1368     {
1369       if (debug)
1370 	printf ("%s\n", sfile->name);
1371 
1372       wr_du (p, sfile, n);
1373       wr_dus (p, sfile);
1374       wr_program_structure (p, sfile);
1375       wr_dln (p, sfile, n);
1376       n++;
1377     }
1378 }
1379 
1380 static void
wr_cs(void)1381 wr_cs (void)
1382 {
1383   /* It seems that the CS struct is not normal - the size is wrong
1384      heres one I prepared earlier.  */
1385   static char b[] =
1386     {
1387     0x80,			/* IT */
1388     0x21,			/* RL */
1389     0x00,			/* number of chars in variable length part */
1390     0x80,			/* hd */
1391     0x00,			/* hs */
1392     0x80,			/* un */
1393     0x00,			/* us */
1394     0x80,			/* sc */
1395     0x00,			/* ss */
1396     0x80,			/* er */
1397     0x80,			/* ed */
1398     0x80,			/* sh */
1399     0x80,			/* ob */
1400     0x80,			/* rl */
1401     0x80,			/* du */
1402     0x80,			/* dps */
1403     0x80,			/* dsy */
1404     0x80,			/* dty */
1405     0x80,			/* dln */
1406     0x80,			/* dso */
1407     0x80,			/* dus */
1408     0x00,			/* dss */
1409     0x80,			/* dbt */
1410     0x00,			/* dpp */
1411     0x80,			/* dfp */
1412     0x80,			/* den */
1413     0x80,			/* dds */
1414     0x80,			/* dar */
1415     0x80,			/* dpt */
1416     0x00,			/* dul */
1417     0x00,			/* dse */
1418     0x00,			/* dot */
1419     0xDE			/* CS */
1420   };
1421 
1422   if (fwrite (b, sizeof (b), 1, file) != 1)
1423     /* FIXME: Return error status.  */
1424     fatal (_("Failed to write CS struct"));
1425 }
1426 
1427 /* Write out the SC records for a unit.  Create an SC
1428    for all the sections which appear in the output file, even
1429    if there isn't an equivalent one on the input.  */
1430 
1431 static int
wr_sc(struct coff_ofile * ptr,struct coff_sfile * sfile)1432 wr_sc (struct coff_ofile *ptr, struct coff_sfile *sfile)
1433 {
1434   int i;
1435   int scount = 0;
1436   /* First work out the total number of sections.  */
1437   int total_sec = ptr->nsections;
1438   struct myinfo
1439     {
1440       struct coff_section *sec;
1441       struct coff_symbol *symbol;
1442     };
1443   struct coff_symbol *symbol;
1444   struct myinfo *info
1445     = (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
1446 
1447 
1448   for (i = 0; i < total_sec; i++)
1449     {
1450       info[i].sec = ptr->sections + i;
1451       info[i].symbol = 0;
1452     }
1453 
1454   for (symbol = sfile->scope->vars_head;
1455        symbol;
1456        symbol = symbol->next)
1457     {
1458 
1459       if (symbol->type->type == coff_secdef_type)
1460 	{
1461 	  for (i = 0; i < total_sec; i++)
1462 	    {
1463 	      if (symbol->where->section == info[i].sec)
1464 		{
1465 		  info[i].symbol = symbol;
1466 		  break;
1467 		}
1468 	    }
1469 	}
1470     }
1471 
1472   /* Now output all the section info, and fake up some stuff for sections
1473      we don't have.  */
1474   for (i = 1; i < total_sec; i++)
1475     {
1476       struct IT_sc sc;
1477       char *name;
1478 
1479       symbol = info[i].symbol;
1480       sc.spare = 0;
1481       sc.spare1 = 0;
1482 
1483       if (!symbol)
1484 	{
1485 	  /* Don't have a symbol set aside for this section, which means
1486 	     that nothing in this file does anything for the section.  */
1487 	  sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
1488 	  sc.addr = 0;
1489 	  sc.length = 0;
1490 	  name = info[i].sec->name;
1491 	}
1492       else
1493 	{
1494 	  if (bfd_get_file_flags (abfd) & EXEC_P)
1495 	    {
1496 	      sc.format = 0;
1497 	      sc.addr = symbol->where->offset;
1498 	    }
1499 	  else
1500 	    {
1501 	      sc.format = 1;
1502 	      sc.addr = 0;
1503 	    }
1504 	  sc.length = symbol->type->size;
1505 	  name = symbol->name;
1506 	}
1507 
1508       sc.align = 4;
1509       sc.concat = CONCAT_SIMPLE;
1510       sc.read = 3;
1511       sc.write = 3;
1512       sc.exec = 3;
1513       sc.init = 3;
1514       sc.mode = 3;
1515       sc.spare = 0;
1516       sc.segadd = 0;
1517       sc.spare1 = 0;		/* If not zero, then it doesn't work.  */
1518       sc.name = section_translate (name);
1519 
1520       if (strlen (sc.name) == 1)
1521 	{
1522 	  switch (sc.name[0])
1523 	    {
1524 	    case 'D':
1525 	    case 'B':
1526 	      sc.contents = CONTENTS_DATA;
1527 	      break;
1528 
1529 	    default:
1530 	      sc.contents = CONTENTS_CODE;
1531 	    }
1532 	}
1533       else
1534 	{
1535 	  sc.contents = CONTENTS_CODE;
1536 	}
1537 
1538       sysroff_swap_sc_out (file, &sc);
1539       scount++;
1540     }
1541   free (info);
1542   return scount;
1543 }
1544 
1545 /* Write out the ER records for a unit.  */
1546 
1547 static void
wr_er(struct coff_ofile * ptr,struct coff_sfile * sfile ATTRIBUTE_UNUSED,int first)1548 wr_er (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1549        int first)
1550 {
1551   int idx = 0;
1552   struct coff_symbol *sym;
1553 
1554   if (first)
1555     {
1556       for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
1557 	{
1558 	  if (sym->visible->type == coff_vis_ext_ref)
1559 	    {
1560 	      struct IT_er er;
1561 
1562 	      er.spare = 0;
1563 	      er.type = ER_NOTSPEC;
1564 	      er.name = sym->name;
1565 	      sysroff_swap_er_out (file, &er);
1566 	      sym->er_number = idx++;
1567 	    }
1568 	}
1569     }
1570 }
1571 
1572 /* Write out the ED records for a unit.  */
1573 
1574 static void
wr_ed(struct coff_ofile * ptr,struct coff_sfile * sfile ATTRIBUTE_UNUSED,int first)1575 wr_ed (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1576        int first)
1577 {
1578   struct coff_symbol *s;
1579 
1580   if (first)
1581     {
1582       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
1583 	{
1584 	  if (s->visible->type == coff_vis_ext_def
1585 	      || s->visible->type == coff_vis_common)
1586 	    {
1587 	      struct IT_ed ed;
1588 
1589 	      ed.section = s->where->section->number;
1590 	      ed.spare = 0;
1591 
1592 	      if (s->where->section->data)
1593 		{
1594 		  ed.type = ED_TYPE_DATA;
1595 		}
1596 	      else if (s->where->section->code & SEC_CODE)
1597 		{
1598 		  ed.type = ED_TYPE_ENTRY;
1599 		}
1600 	      else
1601 		{
1602 		  ed.type = ED_TYPE_NOTSPEC;
1603 		  ed.type = ED_TYPE_DATA;
1604 		}
1605 
1606 	      ed.address = s->where->offset - s->where->section->address;
1607 	      ed.name = s->name;
1608 	      sysroff_swap_ed_out (file, &ed);
1609 	    }
1610 	}
1611     }
1612 }
1613 
1614 static void
wr_unit_info(struct coff_ofile * ptr)1615 wr_unit_info (struct coff_ofile *ptr)
1616 {
1617   struct coff_sfile *sfile;
1618   int first = 1;
1619 
1620   for (sfile = ptr->source_head;
1621        sfile;
1622        sfile = sfile->next)
1623     {
1624       long p1;
1625       long p2;
1626       int nsecs;
1627 
1628       p1 = ftell (file);
1629       wr_un (ptr, sfile, first, 0);
1630       nsecs = wr_sc (ptr, sfile);
1631       p2 = ftell (file);
1632       fseek (file, p1, SEEK_SET);
1633       wr_un (ptr, sfile, first, nsecs);
1634       fseek (file, p2, SEEK_SET);
1635       wr_er (ptr, sfile, first);
1636       wr_ed (ptr, sfile, first);
1637       first = 0;
1638     }
1639 }
1640 
1641 static void
wr_module(struct coff_ofile * p)1642 wr_module (struct coff_ofile *p)
1643 {
1644   wr_cs ();
1645   wr_hd (p);
1646   wr_unit_info (p);
1647   wr_object_body (p);
1648   wr_debug (p);
1649   wr_tr ();
1650 }
1651 
1652 static int
align(int x)1653 align (int x)
1654 {
1655   return (x + 3) & ~3;
1656 }
1657 
1658 /* Find all the common variables and turn them into
1659    ordinary defs - dunno why, but thats what hitachi does with 'em.  */
1660 
1661 static void
prescan(struct coff_ofile * otree)1662 prescan (struct coff_ofile *otree)
1663 {
1664   struct coff_symbol *s;
1665   struct coff_section *common_section;
1666 
1667   if (otree->nsections < 3)
1668     return;
1669 
1670   /* Find the common section - always section 3.  */
1671   common_section = otree->sections + 3;
1672 
1673   for (s = otree->symbol_list_head;
1674        s;
1675        s = s->next_in_ofile_list)
1676     {
1677       if (s->visible->type == coff_vis_common)
1678 	{
1679 	  struct coff_where *w = s->where;
1680 	  /*      s->visible->type = coff_vis_ext_def; leave it as common */
1681 	  common_section->size = align (common_section->size);
1682 	  w->offset = common_section->size + common_section->address;
1683 	  w->section = common_section;
1684 	  common_section->size += s->type->size;
1685 	  common_section->size = align (common_section->size);
1686 	}
1687     }
1688 }
1689 
1690 char *program_name;
1691 
1692 ATTRIBUTE_NORETURN static void
show_usage(FILE * ffile,int status)1693 show_usage (FILE *ffile, int status)
1694 {
1695   fprintf (ffile, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
1696   fprintf (ffile, _("Convert a COFF object file into a SYSROFF object file\n"));
1697   fprintf (ffile, _(" The options are:\n\
1698   -q --quick       (Obsolete - ignored)\n\
1699   -n --noprescan   Do not perform a scan to convert commons into defs\n\
1700   -d --debug       Display information about what is being done\n\
1701   @<file>          Read options from <file>\n\
1702   -h --help        Display this information\n\
1703   -v --version     Print the program's version number\n"));
1704 
1705   if (REPORT_BUGS_TO[0] && status == 0)
1706     fprintf (ffile, _("Report bugs to %s\n"), REPORT_BUGS_TO);
1707   exit (status);
1708 }
1709 
1710 int
main(int ac,char ** av)1711 main (int ac, char **av)
1712 {
1713   int opt;
1714   static struct option long_options[] =
1715   {
1716     {"debug", no_argument, 0, 'd'},
1717     {"quick", no_argument, 0, 'q'},
1718     {"noprescan", no_argument, 0, 'n'},
1719     {"help", no_argument, 0, 'h'},
1720     {"version", no_argument, 0, 'V'},
1721     {NULL, no_argument, 0, 0}
1722   };
1723   char **matching;
1724   char *input_file;
1725   char *output_file;
1726 
1727 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1728   setlocale (LC_MESSAGES, "");
1729 #endif
1730 #if defined (HAVE_SETLOCALE)
1731   setlocale (LC_CTYPE, "");
1732 #endif
1733   bindtextdomain (PACKAGE, LOCALEDIR);
1734   textdomain (PACKAGE);
1735 
1736   program_name = av[0];
1737   xmalloc_set_program_name (program_name);
1738   bfd_set_error_program_name (program_name);
1739 
1740   expandargv (&ac, &av);
1741 
1742   while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
1743 			     (int *) NULL))
1744 	 != EOF)
1745     {
1746       switch (opt)
1747 	{
1748 	case 'q':
1749 	  quick = 1;
1750 	  break;
1751 	case 'n':
1752 	  noprescan = 1;
1753 	  break;
1754 	case 'd':
1755 	  debug = 1;
1756 	  break;
1757 	case 'H':
1758 	case 'h':
1759 	  show_usage (stdout, 0);
1760 	  /*NOTREACHED */
1761 	case 'v':
1762 	case 'V':
1763 	  print_version ("srconv");
1764 	  exit (0);
1765 	  /*NOTREACHED */
1766 	case 0:
1767 	  break;
1768 	default:
1769 	  show_usage (stderr, 1);
1770 	  /*NOTREACHED */
1771 	}
1772     }
1773 
1774   /* The input and output files may be named on the command line.  */
1775   output_file = NULL;
1776   if (optind < ac)
1777     {
1778       input_file = av[optind];
1779       ++optind;
1780       if (optind < ac)
1781 	{
1782 	  output_file = av[optind];
1783 	  ++optind;
1784 	  if (optind < ac)
1785 	    show_usage (stderr, 1);
1786 	  if (filename_cmp (input_file, output_file) == 0)
1787 	    {
1788 	      fatal (_("input and output files must be different"));
1789 	    }
1790 	}
1791     }
1792   else
1793     input_file = 0;
1794 
1795   if (!input_file)
1796     {
1797       fatal (_("no input file specified"));
1798     }
1799 
1800   if (!output_file)
1801     {
1802       /* Take a .o off the input file and stick on a .obj.  If
1803          it doesn't end in .o, then stick a .obj on anyway */
1804 
1805       int len = strlen (input_file);
1806 
1807       output_file = xmalloc (len + 5);
1808       strcpy (output_file, input_file);
1809 
1810       if (len > 3
1811 	  && output_file[len - 2] == '.'
1812 	  && output_file[len - 1] == 'o')
1813 	{
1814 	  output_file[len] = 'b';
1815 	  output_file[len + 1] = 'j';
1816 	  output_file[len + 2] = 0;
1817 	}
1818       else
1819 	{
1820 	  strcat (output_file, ".obj");
1821 	}
1822     }
1823 
1824   abfd = bfd_openr (input_file, 0);
1825 
1826   if (!abfd)
1827     bfd_fatal (input_file);
1828 
1829   if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1830     {
1831       bfd_nonfatal (input_file);
1832 
1833       if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1834 	{
1835 	  list_matching_formats (matching);
1836 	  free (matching);
1837 	}
1838       exit (1);
1839     }
1840 
1841   file = fopen (output_file, FOPEN_WB);
1842 
1843   if (!file)
1844     fatal (_("unable to open output file %s"), output_file);
1845 
1846   if (debug)
1847     printf ("ids %d %d\n", base1, base2);
1848 
1849   tree = coff_grok (abfd);
1850   if (tree)
1851     {
1852       if (!noprescan)
1853 	prescan (tree);
1854 
1855       wr_module (tree);
1856     }
1857   return 0;
1858 }
1859