1 /* srconv.c -- Sysroff conversion program
2    Copyright (C) 1994-2016 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 int get_member_id (int);
47 static int get_ordinary_id (int);
48 static char *section_translate (char *);
49 static char *strip_suffix (const 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 char *
strip_suffix(const char * name)146 strip_suffix (const char *name)
147 {
148   int i;
149   char *res;
150 
151   for (i = 0; name[i] != 0 && name[i] != '.'; i++)
152     ;
153   res = (char *) xmalloc (i + 1);
154   memcpy (res, name, i);
155   res[i] = 0;
156   return res;
157 }
158 
159 /* IT LEN stuff CS */
160 static void
checksum(FILE * ffile,unsigned char * ptr,int size,int ccode)161 checksum (FILE *ffile, unsigned char *ptr, int size, int ccode)
162 {
163   int j;
164   int last;
165   int sum = 0;
166   int bytes = size / 8;
167 
168   last = !(ccode & 0xff00);
169   if (size & 0x7)
170     fatal (_("Checksum failure"));
171 
172   ptr[0] = ccode | (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   if (fwrite (ptr, bytes + 1, 1, ffile) != 1)
181     /* FIXME: Return error status.  */
182     fatal (_("Failed to write checksum"));
183 }
184 
185 
186 static void
writeINT(int n,unsigned char * ptr,int * idx,int size,FILE * ffile)187 writeINT (int n, unsigned char *ptr, int *idx, int size, FILE *ffile)
188 {
189   int byte = *idx / 8;
190 
191   if (size == -2)
192     size = addrsize;
193   else if (size == -1)
194     size = 0;
195 
196   if (byte > 240)
197     {
198       /* Lets write out that record and do another one.  */
199       checksum (ffile, ptr, *idx, code | 0x1000);
200       *idx = 16;
201       byte = *idx / 8;
202     }
203 
204   switch (size)
205     {
206     case 0:
207       break;
208     case 1:
209       ptr[byte] = n;
210       break;
211     case 2:
212       ptr[byte + 0] = n >> 8;
213       ptr[byte + 1] = n;
214       break;
215     case 4:
216       ptr[byte + 0] = n >> 24;
217       ptr[byte + 1] = n >> 16;
218       ptr[byte + 2] = n >> 8;
219       ptr[byte + 3] = n >> 0;
220       break;
221     default:
222       fatal (_("Unsupported integer write size: %d"), size);
223     }
224   *idx += size * 8;
225 }
226 
227 static void
writeBITS(int val,unsigned char * ptr,int * idx,int size)228 writeBITS (int val, unsigned char *ptr, int *idx, int size)
229 {
230   int byte = *idx / 8;
231   int bit = *idx % 8;
232   int old;
233 
234   *idx += size;
235 
236   old = ptr[byte];
237   /* Turn off all about to change bits.  */
238   old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
239   /* Turn on the bits we want.  */
240   old |= (val & ((1 << size) - 1)) << (8 - bit - size);
241   ptr[byte] = old;
242 }
243 
244 static void
writeBARRAY(barray data,unsigned char * ptr,int * idx,int size ATTRIBUTE_UNUSED,FILE * ffile)245 writeBARRAY (barray data, unsigned char *ptr, int *idx,
246 	     int size ATTRIBUTE_UNUSED, FILE *ffile)
247 {
248   int i;
249 
250   writeINT (data.len, ptr, idx, 1, ffile);
251   for (i = 0; i < data.len; i++)
252     writeINT (data.data[i], ptr, idx, 1, ffile);
253 }
254 
255 static void
writeCHARS(char * string,unsigned char * ptr,int * idx,int size,FILE * ffile)256 writeCHARS (char *string, unsigned char *ptr, int *idx, int size, FILE *ffile)
257 {
258   int i = *idx / 8;
259 
260   if (i > 240)
261     {
262       /* Lets write out that record and do another one.  */
263       checksum (ffile, ptr, *idx, code | 0x1000);
264       *idx = 16;
265       i = *idx / 8;
266     }
267 
268   if (size == 0)
269     {
270       /* Variable length string.  */
271       size = strlen (string);
272       ptr[i++] = size;
273     }
274 
275   /* BUG WAITING TO HAPPEN.  */
276   memcpy (ptr + i, string, size);
277   i += size;
278   *idx = i * 8;
279 }
280 
281 #define SYSROFF_SWAP_OUT
282 #include "sysroff.c"
283 
284 static char *rname_sh[] =
285 {
286   "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
287 };
288 
289 static char *rname_h8300[] =
290 {
291   "ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
292 };
293 
294 static void
wr_tr(void)295 wr_tr (void)
296 {
297   /* The TR block is not normal - it doesn't have any contents.  */
298 
299   static char b[] =
300     {
301       0xff,			/* IT */
302       0x03,			/* RL */
303       0xfd,			/* CS */
304     };
305 
306   if (fwrite (b, sizeof (b), 1, file) != 1)
307     /* FIXME: Return error status.  */
308     fatal (_("Failed to write TR block"));
309 }
310 
311 static void
wr_un(struct coff_ofile * ptr,struct coff_sfile * sfile,int first,int nsecs ATTRIBUTE_UNUSED)312 wr_un (struct coff_ofile *ptr, struct coff_sfile *sfile, int first,
313        int nsecs ATTRIBUTE_UNUSED)
314 {
315   struct IT_un un;
316   struct coff_symbol *s;
317 
318   un.spare1 = 0;
319 
320   if (bfd_get_file_flags (abfd) & EXEC_P)
321     un.format = FORMAT_LM;
322   else
323     un.format = FORMAT_OM;
324   un.spare1 = 0;
325 
326   /* Don't count the abs section.  */
327   un.nsections = ptr->nsections - 1;
328 
329   un.nextdefs = 0;
330   un.nextrefs = 0;
331   /* Count all the undefined and defined variables with global scope.  */
332 
333   if (first)
334     {
335       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
336 	{
337 	  if (s->visible->type == coff_vis_ext_def
338 	      || s->visible->type == coff_vis_common)
339 	    un.nextdefs++;
340 
341 	  if (s->visible->type == coff_vis_ext_ref)
342 	    un.nextrefs++;
343 	}
344     }
345   un.tool = toolname;
346   un.tcd = DATE;
347   un.linker = "L_GX00";
348   un.lcd = DATE;
349   un.name = sfile->name;
350   sysroff_swap_un_out (file, &un);
351 }
352 
353 static void
wr_hd(struct coff_ofile * p)354 wr_hd (struct coff_ofile *p)
355 {
356   struct IT_hd hd;
357 
358   hd.spare1 = 0;
359   if (bfd_get_file_flags (abfd) & EXEC_P)
360     hd.mt = MTYPE_ABS_LM;
361   else
362     hd.mt = MTYPE_OMS_OR_LMS;
363 
364   hd.cd = DATE;
365 
366   hd.nu = p->nsources;		/* Always one unit */
367   hd.code = 0;			/* Always ASCII */
368   hd.ver = "0200";		/* Version 2.00 */
369 
370   switch (bfd_get_arch (abfd))
371     {
372     case bfd_arch_h8300:
373       hd.au = 8;
374       hd.si = 0;
375       hd.spcsz = 32;
376       hd.segsz = 0;
377       hd.segsh = 0;
378       switch (bfd_get_mach (abfd))
379 	{
380 	case bfd_mach_h8300:
381 	  hd.cpu = "H8300";
382 	  hd.afl = 2;
383 	  addrsize = 2;
384 	  toolname = "C_H8/300";
385 	  break;
386 	case bfd_mach_h8300h:
387 	  hd.cpu = "H8300H";
388 	  hd.afl = 4;
389 	  addrsize = 4;
390 	  toolname = "C_H8/300H";
391 	  break;
392 	case bfd_mach_h8300s:
393 	  hd.cpu = "H8300S";
394 	  hd.afl = 4;
395 	  addrsize = 4;
396 	  toolname = "C_H8/300S";
397 	  break;
398 	default:
399 	  fatal (_("Unrecognized H8300 sub-architecture: %ld"),
400 		 bfd_get_mach (abfd));
401 	}
402       rnames = rname_h8300;
403       break;
404     case bfd_arch_sh:
405       hd.au = 8;
406       hd.si = 0;
407       hd.afl = 4;
408       hd.spcsz = 32;
409       hd.segsz = 0;
410       hd.segsh = 0;
411       hd.cpu = "SH";
412       addrsize = 4;
413       toolname = "C_SH";
414       rnames = rname_sh;
415       break;
416     default:
417       fatal (_("Unsupported architecture: %d"), bfd_get_arch (abfd));
418     }
419 
420   if (! (bfd_get_file_flags(abfd) & EXEC_P))
421     {
422       hd.ep = 0;
423     }
424   else
425     {
426       hd.ep = 1;
427       hd.uan = 0;
428       hd.sa = 0;
429       hd.sad = 0;
430       hd.address = bfd_get_start_address (abfd);
431     }
432 
433   hd.os = "";
434   hd.sys = "";
435   hd.mn = strip_suffix (bfd_get_filename (abfd));
436 
437   sysroff_swap_hd_out (file, &hd);
438 }
439 
440 
441 static void
wr_sh(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_section * sec)442 wr_sh (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *sec)
443 {
444   struct IT_sh sh;
445   sh.unit = 0;
446   sh.section = sec->number;
447 #ifdef FOOP1
448   sh.section = 0;
449 #endif
450   sysroff_swap_sh_out (file, &sh);
451 }
452 
453 
454 static void
wr_ob(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_section * section)455 wr_ob (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *section)
456 {
457   bfd_size_type i;
458   int first = 1;
459   unsigned char stuff[200];
460 
461   i = 0;
462   while (i < bfd_get_section_size (section->bfd_section))
463     {
464       struct IT_ob ob;
465       int todo = 200;		/* Copy in 200 byte lumps.  */
466 
467       ob.spare = 0;
468       if (i + todo > bfd_get_section_size (section->bfd_section))
469 	todo = bfd_get_section_size (section->bfd_section) - i;
470 
471       if (first)
472 	{
473 	  ob.saf = 1;
474 	  if (bfd_get_file_flags (abfd) & EXEC_P)
475 	    ob.address = section->address;
476 	  else
477 	    ob.address = 0;
478 
479 	  first = 0;
480 	}
481       else
482 	{
483 	  ob.saf = 0;
484 	}
485 
486       ob.cpf = 0;		/* Never compress.  */
487       ob.data.len = todo;
488       bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
489       ob.data.data = stuff;
490       sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
491       i += todo;
492     }
493 
494   /* Now fill the rest with blanks.  */
495   while (i < (bfd_size_type) section->size)
496     {
497       struct IT_ob ob;
498       int todo = 200;		/* Copy in 200 byte lumps.  */
499 
500       ob.spare = 0;
501       if (i + todo > (bfd_size_type) section->size)
502 	todo = section->size - i;
503       ob.saf = 0;
504 
505       ob.cpf = 0;		/* Never compress.  */
506       ob.data.len = todo;
507       memset (stuff, 0, todo);
508       ob.data.data = stuff;
509       sysroff_swap_ob_out (file, &ob);
510       i += todo;
511     }
512   /* Now fill the rest with blanks.  */
513 }
514 
515 static void
wr_rl(struct coff_ofile * ptr ATTRIBUTE_UNUSED,struct coff_section * sec)516 wr_rl (struct coff_ofile *ptr ATTRIBUTE_UNUSED, struct coff_section *sec)
517 {
518   int nr = sec->nrelocs;
519   int i;
520 
521   for (i = 0; i < nr; i++)
522     {
523       struct coff_reloc *r = sec->relocs + i;
524       struct coff_symbol *ref;
525       struct IT_rl rl;
526 
527       rl.apol = 0;
528       rl.boundary = 0;
529       rl.segment = 1;
530       rl.sign = 0;
531       rl.check = 0;
532       rl.addr = r->offset;
533       rl.bitloc = 0;
534       rl.flen = 32;		/* SH Specific.  */
535 
536       /* What sort of reloc ? Look in the section to find out.  */
537       ref = r->symbol;
538       if (ref->visible->type == coff_vis_ext_ref)
539 	{
540 	  rl.bcount = 4;	/* Always 4 for us.  */
541 	  rl.op = OP_EXT_REF;
542 	  rl.symn = ref->er_number;
543 	}
544       else if (ref->visible->type == coff_vis_common)
545 	{
546 	  rl.bcount = 11;	/* Always 11 for us.  */
547 	  rl.op = OP_SEC_REF;
548 	  rl.secn = ref->where->section->number;
549 	  rl.copcode_is_3 = 3;
550 	  rl.alength_is_4 = 4;
551 	  rl.addend = ref->where->offset - ref->where->section->address;
552 	  rl.aopcode_is_0x20 = 0x20;
553 	}
554       else
555 	{
556 	  rl.bcount = 11;	/* Always 11 for us.  */
557 	  rl.op = OP_SEC_REF;
558 	  rl.secn = ref->where->section->number;
559 	  rl.copcode_is_3 = 3;
560 	  rl.alength_is_4 = 4;
561 	  rl.addend = -ref->where->section->address;
562 	  rl.aopcode_is_0x20 = 0x20;
563 	}
564 
565       rl.end = 0xff;
566 
567       if (   rl.op == OP_SEC_REF
568 	  || rl.op == OP_EXT_REF)
569 	sysroff_swap_rl_out (file, &rl);
570     }
571 }
572 
573 static void
wr_object_body(struct coff_ofile * p)574 wr_object_body (struct coff_ofile *p)
575 {
576   int i;
577 
578   for (i = 1; i < p->nsections; i++)
579     {
580       wr_sh (p, p->sections + i);
581       wr_ob (p, p->sections + i);
582       wr_rl (p, p->sections + i);
583     }
584 }
585 
586 static void
wr_dps_start(struct coff_sfile * sfile,struct coff_section * section ATTRIBUTE_UNUSED,struct coff_scope * scope,int type,int nest)587 wr_dps_start (struct coff_sfile *sfile,
588 	      struct coff_section *section ATTRIBUTE_UNUSED,
589 	      struct coff_scope *scope, int type, int nest)
590 {
591   struct IT_dps dps;
592 
593   dps.end = 0;
594   dps.opt = 0;
595   dps.type = type;
596 
597   if (scope->sec)
598     {
599       dps.san = scope->sec->number;
600       dps.address = scope->offset - find_base (sfile, scope->sec);
601       dps.block_size = scope->size;
602 
603       if (debug)
604 	{
605 	  printf ("DPS %s %d %x\n",
606 		  sfile->name,
607 		  nest,
608 		  dps.address);
609 	}
610     }
611   else
612     {
613       dps.san = 0;
614       dps.address = 0;
615       dps.block_size = 0;
616     }
617 
618   dps.nesting = nest;
619   dps.neg = 0x1001;
620   sysroff_swap_dps_out (file, &dps);
621 }
622 
623 static void
wr_dps_end(struct coff_section * section ATTRIBUTE_UNUSED,struct coff_scope * scope ATTRIBUTE_UNUSED,int type)624 wr_dps_end (struct coff_section *section ATTRIBUTE_UNUSED,
625 	    struct coff_scope *scope ATTRIBUTE_UNUSED, int type)
626 {
627   struct IT_dps dps;
628 
629   dps.end = 1;
630   dps.type = type;
631   sysroff_swap_dps_out (file, &dps);
632 }
633 
634 static int *
nints(int x)635 nints (int x)
636 {
637   return (int *) (xcalloc (sizeof (int), x));
638 }
639 
640 static void
walk_tree_type_1(struct coff_sfile * sfile,struct coff_symbol * symbol,struct coff_type * type,int nest)641 walk_tree_type_1 (struct coff_sfile *sfile, struct coff_symbol *symbol,
642 		  struct coff_type *type, int nest)
643 {
644   switch (type->type)
645     {
646     case coff_secdef_type:
647     case coff_basic_type:
648       {
649 	struct IT_dbt dbt;
650 
651 	switch (type->u.basic)
652 	  {
653 	  case T_NULL:
654 	  case T_VOID:
655 	    dbt.btype = BTYPE_VOID;
656 	    dbt.sign = BTYPE_UNSPEC;
657 	    dbt.fptype = FPTYPE_NOTSPEC;
658 	    break;
659 
660 	  case T_CHAR:
661 	    dbt.btype = BTYPE_CHAR;
662 	    dbt.sign = BTYPE_UNSPEC;
663 	    dbt.fptype = FPTYPE_NOTSPEC;
664 	    break;
665 
666 	  case T_SHORT:
667 	  case T_INT:
668 	  case T_LONG:
669 	    dbt.btype = BTYPE_INT;
670 	    dbt.sign = SIGN_SIGNED;
671 	    dbt.fptype = FPTYPE_NOTSPEC;
672 	    break;
673 
674 	  case T_FLOAT:
675 	    dbt.btype = BTYPE_FLOAT;
676 	    dbt.fptype = FPTYPE_SINGLE;
677 	    break;
678 
679 	  case T_DOUBLE:
680 	    dbt.btype = BTYPE_FLOAT;
681 	    dbt.fptype = FPTYPE_DOUBLE;
682 	    break;
683 
684 	  case T_LNGDBL:
685 	    dbt.btype = BTYPE_FLOAT;
686 	    dbt.fptype = FPTYPE_EXTENDED;
687 	    break;
688 
689 	  case T_UCHAR:
690 	    dbt.btype = BTYPE_CHAR;
691 	    dbt.sign = SIGN_UNSIGNED;
692 	    dbt.fptype = FPTYPE_NOTSPEC;
693 	    break;
694 
695 	  case T_USHORT:
696 	  case T_UINT:
697 	  case T_ULONG:
698 	    dbt.btype = BTYPE_INT;
699 	    dbt.sign = SIGN_UNSIGNED;
700 	    dbt.fptype = FPTYPE_NOTSPEC;
701 	    break;
702 	  }
703 
704 	dbt.bitsize = type->size;
705 	dbt.neg = 0x1001;
706 	sysroff_swap_dbt_out (file, &dbt);
707 	break;
708       }
709 
710     case coff_pointer_type:
711       {
712 	struct IT_dpt dpt;
713 
714 	dpt.dunno = 0;
715 	walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
716 	dpt.neg = 0x1001;
717 	sysroff_swap_dpt_out (file, &dpt);
718 	break;
719       }
720 
721     case coff_function_type:
722       {
723 	struct IT_dfp dfp;
724 	struct coff_symbol *param;
725 
726 	dfp.end = 0;
727 	dfp.spare = 0;
728 	dfp.nparams = type->u.function.parameters->nvars;
729 	dfp.neg = 0x1001;
730 
731 	walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
732 
733 	sysroff_swap_dfp_out (file, &dfp);
734 
735 	for (param = type->u.function.parameters->vars_head;
736 	     param;
737 	     param = param->next)
738 	  walk_tree_symbol (sfile, 0, param, nest);
739 
740 	dfp.end = 1;
741 	sysroff_swap_dfp_out (file, &dfp);
742 	break;
743       }
744 
745     case coff_structdef_type:
746       {
747 	struct IT_dbt dbt;
748 	struct IT_dds dds;
749 	struct coff_symbol *member;
750 
751 	dds.spare = 0;
752 	dbt.btype = BTYPE_STRUCT;
753 	dbt.bitsize = type->size;
754 	dbt.sign = SIGN_UNSPEC;
755 	dbt.fptype = FPTYPE_NOTSPEC;
756 	dbt.sid = get_member_id (type->u.astructdef.idx);
757 	dbt.neg = 0x1001;
758 	sysroff_swap_dbt_out (file, &dbt);
759 	dds.end = 0;
760 	dds.neg = 0x1001;
761 	sysroff_swap_dds_out (file, &dds);
762 
763 	for (member = type->u.astructdef.elements->vars_head;
764 	     member;
765 	     member = member->next)
766 	  walk_tree_symbol (sfile, 0, member, nest + 1);
767 
768 	dds.end = 1;
769 	sysroff_swap_dds_out (file, &dds);
770 
771       }
772       break;
773 
774     case coff_structref_type:
775       {
776 	struct IT_dbt dbt;
777 
778 	dbt.btype = BTYPE_TAG;
779 	dbt.bitsize = type->size;
780 	dbt.sign = SIGN_UNSPEC;
781 	dbt.fptype = FPTYPE_NOTSPEC;
782 
783 	if (type->u.astructref.ref)
784 	  dbt.sid = get_member_id (type->u.astructref.ref->number);
785 	else
786 	  dbt.sid = 0;
787 
788 	dbt.neg = 0x1001;
789 	sysroff_swap_dbt_out (file, &dbt);
790       }
791       break;
792 
793     case coff_array_type:
794       {
795 	struct IT_dar dar;
796 	int j;
797 	int dims = 1;		/* Only output one dimension at a time.  */
798 
799 	dar.dims = dims;
800 	dar.variable = nints (dims);
801 	dar.subtype = nints (dims);
802 	dar.spare = nints (dims);
803 	dar.max_variable = nints (dims);
804 	dar.maxspare = nints (dims);
805 	dar.max = nints (dims);
806 	dar.min_variable = nints (dims);
807 	dar.min = nints (dims);
808 	dar.minspare = nints (dims);
809 	dar.neg = 0x1001;
810 	dar.length = type->size / type->u.array.dim;
811 
812 	for (j = 0; j < dims; j++)
813 	  {
814 	    dar.variable[j] = VARIABLE_FIXED;
815 	    dar.subtype[j] = SUB_INTEGER;
816 	    dar.spare[j] = 0;
817 	    dar.max_variable[j] = 0;
818 	    dar.max[j] = type->u.array.dim;
819 	    dar.min_variable[j] = 0;
820 	    dar.min[j] = 1;	/* Why isn't this 0 ? */
821 	  }
822 	walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
823 	sysroff_swap_dar_out (file, &dar);
824       }
825       break;
826 
827     case coff_enumdef_type:
828       {
829 	struct IT_dbt dbt;
830 	struct IT_den den;
831 	struct coff_symbol *member;
832 
833 	dbt.btype = BTYPE_ENUM;
834 	dbt.bitsize = type->size;
835 	dbt.sign = SIGN_UNSPEC;
836 	dbt.fptype = FPTYPE_NOTSPEC;
837 	dbt.sid = get_member_id (type->u.aenumdef.idx);
838 	dbt.neg = 0x1001;
839 	sysroff_swap_dbt_out (file, &dbt);
840 
841 	den.end = 0;
842 	den.neg = 0x1001;
843 	den.spare = 0;
844 	sysroff_swap_den_out (file, &den);
845 
846 	for (member = type->u.aenumdef.elements->vars_head;
847 	     member;
848 	     member = member->next)
849 	  walk_tree_symbol (sfile, 0, member, nest + 1);
850 
851 	den.end = 1;
852 	sysroff_swap_den_out (file, &den);
853       }
854       break;
855 
856     case coff_enumref_type:
857       {
858 	struct IT_dbt dbt;
859 
860 	dbt.btype = BTYPE_TAG;
861 	dbt.bitsize = type->size;
862 	dbt.sign = SIGN_UNSPEC;
863 	dbt.fptype = FPTYPE_NOTSPEC;
864 	dbt.sid = get_member_id (type->u.aenumref.ref->number);
865 	dbt.neg = 0x1001;
866 	sysroff_swap_dbt_out (file, &dbt);
867       }
868       break;
869 
870     default:
871       fatal (_("Unrecognised type: %d"), type->type);
872     }
873 }
874 
875 /* Obsolete ?
876    static void
877    dty_start ()
878    {
879    struct IT_dty dty;
880    dty.end = 0;
881    dty.neg = 0x1001;
882    dty.spare = 0;
883    sysroff_swap_dty_out (file, &dty);
884    }
885 
886    static void
887    dty_stop ()
888    {
889    struct IT_dty dty;
890    dty.end = 0;
891    dty.neg = 0x1001;
892    dty.end = 1;
893    sysroff_swap_dty_out (file, &dty);
894    }
895 
896 
897    static void
898    dump_tree_structure (sfile, symbol, type, nest)
899    struct coff_sfile *sfile;
900    struct coff_symbol *symbol;
901    struct coff_type *type;
902    int nest;
903    {
904    if (symbol->type->type == coff_function_type)
905    {
906 
907 
908    }
909 
910    }
911  */
912 
913 static void
walk_tree_type(struct coff_sfile * sfile,struct coff_symbol * symbol,struct coff_type * type,int nest)914 walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
915 		struct coff_type *type, int nest)
916 {
917   if (symbol->type->type == coff_function_type)
918     {
919       struct IT_dty dty;
920 
921       dty.end = 0;
922       dty.neg = 0x1001;
923 
924       sysroff_swap_dty_out (file, &dty);
925       walk_tree_type_1 (sfile, symbol, type, nest);
926       dty.end = 1;
927       sysroff_swap_dty_out (file, &dty);
928 
929       wr_dps_start (sfile,
930 		    symbol->where->section,
931 		    symbol->type->u.function.code,
932 		    BLOCK_TYPE_FUNCTION, nest);
933       wr_dps_start (sfile, symbol->where->section,
934 		    symbol->type->u.function.code,
935 		    BLOCK_TYPE_BLOCK, nest);
936       walk_tree_scope (symbol->where->section,
937 		       sfile,
938 		       symbol->type->u.function.code,
939 		       nest + 1, BLOCK_TYPE_BLOCK);
940 
941       wr_dps_end (symbol->where->section,
942 		  symbol->type->u.function.code,
943 		  BLOCK_TYPE_BLOCK);
944       wr_dps_end (symbol->where->section,
945 		  symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
946     }
947   else
948     {
949       struct IT_dty dty;
950 
951       dty.end = 0;
952       dty.neg = 0x1001;
953       sysroff_swap_dty_out (file, &dty);
954       walk_tree_type_1 (sfile, symbol, type, nest);
955       dty.end = 1;
956       sysroff_swap_dty_out (file, &dty);
957     }
958 }
959 
960 static void
walk_tree_symbol(struct coff_sfile * sfile,struct coff_section * section ATTRIBUTE_UNUSED,struct coff_symbol * symbol,int nest)961 walk_tree_symbol (struct coff_sfile *sfile, struct coff_section *section ATTRIBUTE_UNUSED, struct coff_symbol *symbol, int nest)
962 {
963   struct IT_dsy dsy;
964 
965   memset (&dsy, 0, sizeof(dsy));
966   dsy.nesting = nest;
967 
968   switch (symbol->type->type)
969     {
970     case coff_function_type:
971       dsy.type = STYPE_FUNC;
972       dsy.assign = 1;
973       break;
974 
975     case coff_structref_type:
976     case coff_pointer_type:
977     case coff_array_type:
978     case coff_basic_type:
979     case coff_enumref_type:
980       dsy.type = STYPE_VAR;
981       dsy.assign = 1;
982       break;
983 
984     case coff_enumdef_type:
985       dsy.type = STYPE_TAG;
986       dsy.assign = 0;
987       dsy.magic = 2;
988       break;
989 
990     case coff_structdef_type:
991       dsy.type = STYPE_TAG;
992       dsy.assign = 0;
993       dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
994       break;
995 
996     case coff_secdef_type:
997       return;
998 
999     default:
1000       fatal (_("Unrecognised coff symbol type: %d"), symbol->type->type);
1001     }
1002 
1003   if (symbol->where->where == coff_where_member_of_struct)
1004     {
1005       dsy.assign = 0;
1006       dsy.type = STYPE_MEMBER;
1007     }
1008 
1009   if (symbol->where->where == coff_where_member_of_enum)
1010     {
1011       dsy.type = STYPE_ENUM;
1012       dsy.assign = 0;
1013       dsy.evallen = 4;
1014       dsy.evalue = symbol->where->offset;
1015     }
1016 
1017   if (symbol->type->type == coff_structdef_type
1018       || symbol->where->where == coff_where_entag
1019       || symbol->where->where == coff_where_strtag)
1020     {
1021       dsy.snumber = get_member_id (symbol->number);
1022     }
1023   else
1024     {
1025       dsy.snumber = get_ordinary_id (symbol->number);
1026     }
1027 
1028   dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
1029 
1030   switch (symbol->visible->type)
1031     {
1032     case coff_vis_common:
1033     case coff_vis_ext_def:
1034       dsy.ainfo = AINFO_STATIC_EXT_DEF;
1035       break;
1036 
1037     case coff_vis_ext_ref:
1038       dsy.ainfo = AINFO_STATIC_EXT_REF;
1039       break;
1040 
1041     case coff_vis_int_def:
1042       dsy.ainfo = AINFO_STATIC_INT;
1043       break;
1044 
1045     case coff_vis_auto:
1046     case coff_vis_autoparam:
1047       dsy.ainfo = AINFO_AUTO;
1048       break;
1049 
1050     case coff_vis_register:
1051     case coff_vis_regparam:
1052       dsy.ainfo = AINFO_REG;
1053       break;
1054       break;
1055 
1056     case coff_vis_tag:
1057     case coff_vis_member_of_struct:
1058     case coff_vis_member_of_enum:
1059       break;
1060 
1061     default:
1062       fatal (_("Unrecognised coff symbol visibility: %d"), symbol->visible->type);
1063     }
1064 
1065   dsy.dlength = symbol->type->size;
1066 
1067   switch (symbol->where->where)
1068     {
1069     case coff_where_memory:
1070 
1071       dsy.section = symbol->where->section->number;
1072 #ifdef FOOP
1073       dsy.section = 0;
1074 #endif
1075       break;
1076 
1077     case coff_where_member_of_struct:
1078     case coff_where_member_of_enum:
1079     case coff_where_stack:
1080     case coff_where_register:
1081     case coff_where_unknown:
1082     case coff_where_strtag:
1083     case coff_where_entag:
1084     case coff_where_typedef:
1085       break;
1086 
1087     default:
1088       fatal (_("Unrecognised coff symbol location: %d"), symbol->where->where);
1089     }
1090 
1091   switch (symbol->where->where)
1092     {
1093     case coff_where_memory:
1094       dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
1095       break;
1096 
1097     case coff_where_stack:
1098       dsy.address = symbol->where->offset;
1099       break;
1100 
1101     case coff_where_member_of_struct:
1102       if (symbol->where->bitsize)
1103 	{
1104 	  int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
1105 	  dsy.bitunit = 1;
1106 	  dsy.field_len = symbol->where->bitsize;
1107 	  dsy.field_off = (bits / 32) * 4;
1108 	  dsy.field_bitoff = bits % 32;
1109 	}
1110       else
1111 	{
1112 	  dsy.bitunit = 0;
1113 
1114 	  dsy.field_len = symbol->type->size;
1115 	  dsy.field_off = symbol->where->offset;
1116 	}
1117       break;
1118 
1119     case coff_where_member_of_enum:
1120       /*      dsy.bitunit = 0;
1121          dsy.field_len  = symbol->type->size;
1122          dsy.field_off = symbol->where->offset; */
1123       break;
1124 
1125     case coff_where_register:
1126     case coff_where_unknown:
1127     case coff_where_strtag:
1128     case coff_where_entag:
1129     case coff_where_typedef:
1130       break;
1131 
1132     default:
1133       fatal (_("Unrecognised coff symbol location: %d"), symbol->where->where);
1134     }
1135 
1136   if (symbol->where->where == coff_where_register)
1137     dsy.reg = rnames[symbol->where->offset];
1138 
1139   switch (symbol->visible->type)
1140     {
1141     case coff_vis_common:
1142       /* We do this 'cause common C symbols are treated as extdefs.  */
1143     case coff_vis_ext_def:
1144     case coff_vis_ext_ref:
1145       dsy.ename = symbol->name;
1146       break;
1147 
1148     case coff_vis_regparam:
1149     case coff_vis_autoparam:
1150       dsy.type = STYPE_PARAMETER;
1151       break;
1152 
1153     case coff_vis_int_def:
1154     case coff_vis_auto:
1155     case coff_vis_register:
1156     case coff_vis_tag:
1157     case coff_vis_member_of_struct:
1158     case coff_vis_member_of_enum:
1159       break;
1160 
1161     default:
1162       fatal (_("Unrecognised coff symbol visibility: %d"), symbol->visible->type);
1163     }
1164 
1165   dsy.sfn = 0;
1166   dsy.sln = 2;
1167   dsy.neg = 0x1001;
1168 
1169   sysroff_swap_dsy_out (file, &dsy);
1170 
1171   walk_tree_type (sfile, symbol, symbol->type, nest);
1172 }
1173 
1174 static void
walk_tree_scope(struct coff_section * section,struct coff_sfile * sfile,struct coff_scope * scope,int nest,int type)1175 walk_tree_scope (struct coff_section *section, struct coff_sfile *sfile, struct coff_scope *scope, int nest, int type)
1176 {
1177   struct coff_symbol *vars;
1178   struct coff_scope *child;
1179 
1180   if (scope->vars_head
1181       || (scope->list_head && scope->list_head->vars_head))
1182     {
1183       wr_dps_start (sfile, section, scope, type, nest);
1184 
1185       if (nest == 0)
1186 	wr_globals (tree, sfile, nest + 1);
1187 
1188       for (vars = scope->vars_head; vars; vars = vars->next)
1189 	walk_tree_symbol (sfile, section, vars, nest);
1190 
1191       for (child = scope->list_head; child; child = child->next)
1192 	walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
1193 
1194       wr_dps_end (section, scope, type);
1195     }
1196 }
1197 
1198 static void
walk_tree_sfile(struct coff_section * section,struct coff_sfile * sfile)1199 walk_tree_sfile (struct coff_section *section, struct coff_sfile *sfile)
1200 {
1201   walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
1202 }
1203 
1204 static void
wr_program_structure(struct coff_ofile * p,struct coff_sfile * sfile)1205 wr_program_structure (struct coff_ofile *p, struct coff_sfile *sfile)
1206 {
1207   if (p->nsections < 4)
1208     return;
1209   walk_tree_sfile (p->sections + 4, sfile);
1210 }
1211 
1212 static void
wr_du(struct coff_ofile * p,struct coff_sfile * sfile,int n)1213 wr_du (struct coff_ofile *p, struct coff_sfile *sfile, int n)
1214 {
1215   struct IT_du du;
1216   int lim;
1217   int i;
1218   int j;
1219   unsigned int *lowest = (unsigned *) nints (p->nsections);
1220   unsigned int *highest = (unsigned *) nints (p->nsections);
1221 
1222   du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
1223   du.optimized = 0;
1224   du.stackfrmt = 0;
1225   du.spare = 0;
1226   du.unit = n;
1227   du.sections = p->nsections - 1;
1228   du.san = (int *) xcalloc (sizeof (int), du.sections);
1229   du.address = nints (du.sections);
1230   du.length = nints (du.sections);
1231 
1232   for (i = 0; i < du.sections; i++)
1233     {
1234       lowest[i] = ~0;
1235       highest[i] = 0;
1236     }
1237 
1238   lim = du.sections;
1239   for (j = 0; j < lim; j++)
1240     {
1241       int src = j;
1242       int dst = j;
1243 
1244       du.san[dst] = dst;
1245 
1246       if (sfile->section[src].init)
1247 	{
1248 	  du.length[dst]
1249 	    = sfile->section[src].high - sfile->section[src].low + 1;
1250 	  du.address[dst]
1251 	    = sfile->section[src].low;
1252 	}
1253       else
1254 	{
1255 	  du.length[dst] = 0;
1256 	  du.address[dst] = 0;
1257 	}
1258 
1259       if (debug)
1260 	{
1261 	  if (sfile->section[src].parent)
1262 	    {
1263 	      printf (" section %6s 0x%08x..0x%08x\n",
1264 		      sfile->section[src].parent->name,
1265 		      du.address[dst],
1266 		      du.address[dst] + du.length[dst] - 1);
1267 	    }
1268 	}
1269 
1270       du.sections = dst + 1;
1271     }
1272 
1273   du.tool = "c_gcc";
1274   du.date = DATE;
1275 
1276   sysroff_swap_du_out (file, &du);
1277 }
1278 
1279 static void
wr_dus(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_sfile * sfile)1280 wr_dus (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile)
1281 {
1282   struct IT_dus dus;
1283 
1284   dus.efn = 0x1001;
1285   dus.ns = 1;			/* p->nsources; sac 14 jul 94 */
1286   dus.drb = nints (dus.ns);
1287   dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
1288   dus.spare = nints (dus.ns);
1289   dus.ndir = 0;
1290   /* Find the filenames.  */
1291   dus.drb[0] = 0;
1292   dus.fname[0] = sfile->name;
1293 
1294   sysroff_swap_dus_out (file, &dus);
1295 
1296 }
1297 
1298 /* Find the offset of the .text section for this sfile in the
1299    .text section for the output file.  */
1300 
1301 static int
find_base(struct coff_sfile * sfile,struct coff_section * section)1302 find_base (struct coff_sfile *sfile, struct coff_section *section)
1303 {
1304   return sfile->section[section->number].low;
1305 }
1306 
1307 static void
wr_dln(struct coff_ofile * p ATTRIBUTE_UNUSED,struct coff_sfile * sfile,int n ATTRIBUTE_UNUSED)1308 wr_dln (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile,
1309 	int n ATTRIBUTE_UNUSED)
1310 {
1311   /* Count up all the linenumbers */
1312 
1313   struct coff_symbol *sy;
1314   int lc = 0;
1315   struct IT_dln dln;
1316 
1317   int idx;
1318 
1319   for (sy = sfile->scope->vars_head;
1320        sy;
1321        sy = sy->next)
1322     {
1323       struct coff_type *t = sy->type;
1324       if (t->type == coff_function_type)
1325 	{
1326 	  struct coff_line *l = t->u.function.lines;
1327 	  if (l)
1328 	    lc += l->nlines;
1329 	}
1330     }
1331 
1332   dln.sfn = nints (lc);
1333   dln.sln = nints (lc);
1334   dln.cc = nints (lc);
1335   dln.section = nints (lc);
1336 
1337   dln.from_address = nints (lc);
1338   dln.to_address = nints (lc);
1339 
1340 
1341   dln.neg = 0x1001;
1342 
1343   dln.nln = lc;
1344 
1345   /* Run through once more and fill up the structure */
1346   idx = 0;
1347   for (sy = sfile->scope->vars_head;
1348        sy;
1349        sy = sy->next)
1350     {
1351       if (sy->type->type == coff_function_type)
1352 	{
1353 	  int i;
1354 	  struct coff_line *l = sy->type->u.function.lines;
1355 	  if (l)
1356 	    {
1357 	      int base = find_base (sfile, sy->where->section);
1358 	      for (i = 0; i < l->nlines; i++)
1359 		{
1360 		  dln.section[idx] = sy->where->section->number;
1361 		  dln.sfn[idx] = 0;
1362 		  dln.sln[idx] = l->lines[i];
1363 		  dln.from_address[idx] =
1364 		    l->addresses[i] + sy->where->section->address - base;
1365 		  dln.cc[idx] = 0;
1366 		  if (idx)
1367 		    dln.to_address[idx - 1] = dln.from_address[idx];
1368 		  idx++;
1369 
1370 		}
1371 	      dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
1372 	    }
1373 	}
1374     }
1375   if (lc)
1376     sysroff_swap_dln_out (file, &dln);
1377 }
1378 
1379 /* Write the global symbols out to the debug info.  */
1380 
1381 static void
wr_globals(struct coff_ofile * p,struct coff_sfile * sfile,int n ATTRIBUTE_UNUSED)1382 wr_globals (struct coff_ofile *p, struct coff_sfile *sfile,
1383 	    int n ATTRIBUTE_UNUSED)
1384 {
1385   struct coff_symbol *sy;
1386 
1387   for (sy = p->symbol_list_head;
1388        sy;
1389        sy = sy->next_in_ofile_list)
1390     {
1391       if (sy->visible->type == coff_vis_ext_def
1392 	  || sy->visible->type == coff_vis_ext_ref)
1393 	{
1394 	  /* Only write out symbols if they belong to
1395 	     the current source file.  */
1396 	  if (sy->sfile == sfile)
1397 	    walk_tree_symbol (sfile, 0, sy, 0);
1398 	}
1399     }
1400 }
1401 
1402 static void
wr_debug(struct coff_ofile * p)1403 wr_debug (struct coff_ofile *p)
1404 {
1405   struct coff_sfile *sfile;
1406   int n = 0;
1407 
1408   for (sfile = p->source_head;
1409        sfile;
1410        sfile = sfile->next)
1411     {
1412       if (debug)
1413 	printf ("%s\n", sfile->name);
1414 
1415       wr_du (p, sfile, n);
1416       wr_dus (p, sfile);
1417       wr_program_structure (p, sfile);
1418       wr_dln (p, sfile, n);
1419       n++;
1420     }
1421 }
1422 
1423 static void
wr_cs(void)1424 wr_cs (void)
1425 {
1426   /* It seems that the CS struct is not normal - the size is wrong
1427      heres one I prepared earlier.  */
1428   static char b[] =
1429     {
1430     0x80,			/* IT */
1431     0x21,			/* RL */
1432     0x00,			/* number of chars in variable length part */
1433     0x80,			/* hd */
1434     0x00,			/* hs */
1435     0x80,			/* un */
1436     0x00,			/* us */
1437     0x80,			/* sc */
1438     0x00,			/* ss */
1439     0x80,			/* er */
1440     0x80,			/* ed */
1441     0x80,			/* sh */
1442     0x80,			/* ob */
1443     0x80,			/* rl */
1444     0x80,			/* du */
1445     0x80,			/* dps */
1446     0x80,			/* dsy */
1447     0x80,			/* dty */
1448     0x80,			/* dln */
1449     0x80,			/* dso */
1450     0x80,			/* dus */
1451     0x00,			/* dss */
1452     0x80,			/* dbt */
1453     0x00,			/* dpp */
1454     0x80,			/* dfp */
1455     0x80,			/* den */
1456     0x80,			/* dds */
1457     0x80,			/* dar */
1458     0x80,			/* dpt */
1459     0x00,			/* dul */
1460     0x00,			/* dse */
1461     0x00,			/* dot */
1462     0xDE			/* CS */
1463   };
1464 
1465   if (fwrite (b, sizeof (b), 1, file) != 1)
1466     /* FIXME: Return error status.  */
1467     fatal (_("Failed to write CS struct"));
1468 }
1469 
1470 /* Write out the SC records for a unit.  Create an SC
1471    for all the sections which appear in the output file, even
1472    if there isn't an equivalent one on the input.  */
1473 
1474 static int
wr_sc(struct coff_ofile * ptr,struct coff_sfile * sfile)1475 wr_sc (struct coff_ofile *ptr, struct coff_sfile *sfile)
1476 {
1477   int i;
1478   int scount = 0;
1479   /* First work out the total number of sections.  */
1480   int total_sec = ptr->nsections;
1481   struct myinfo
1482     {
1483       struct coff_section *sec;
1484       struct coff_symbol *symbol;
1485     };
1486   struct coff_symbol *symbol;
1487   struct myinfo *info
1488     = (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
1489 
1490 
1491   for (i = 0; i < total_sec; i++)
1492     {
1493       info[i].sec = ptr->sections + i;
1494       info[i].symbol = 0;
1495     }
1496 
1497   for (symbol = sfile->scope->vars_head;
1498        symbol;
1499        symbol = symbol->next)
1500     {
1501 
1502       if (symbol->type->type == coff_secdef_type)
1503 	{
1504 	  for (i = 0; i < total_sec; i++)
1505 	    {
1506 	      if (symbol->where->section == info[i].sec)
1507 		{
1508 		  info[i].symbol = symbol;
1509 		  break;
1510 		}
1511 	    }
1512 	}
1513     }
1514 
1515   /* Now output all the section info, and fake up some stuff for sections
1516      we don't have.  */
1517   for (i = 1; i < total_sec; i++)
1518     {
1519       struct IT_sc sc;
1520       char *name;
1521 
1522       symbol = info[i].symbol;
1523       sc.spare = 0;
1524       sc.spare1 = 0;
1525 
1526       if (!symbol)
1527 	{
1528 	  /* Don't have a symbol set aside for this section, which means
1529 	     that nothing in this file does anything for the section.  */
1530 	  sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
1531 	  sc.addr = 0;
1532 	  sc.length = 0;
1533 	  name = info[i].sec->name;
1534 	}
1535       else
1536 	{
1537 	  if (bfd_get_file_flags (abfd) & EXEC_P)
1538 	    {
1539 	      sc.format = 0;
1540 	      sc.addr = symbol->where->offset;
1541 	    }
1542 	  else
1543 	    {
1544 	      sc.format = 1;
1545 	      sc.addr = 0;
1546 	    }
1547 	  sc.length = symbol->type->size;
1548 	  name = symbol->name;
1549 	}
1550 
1551       sc.align = 4;
1552       sc.concat = CONCAT_SIMPLE;
1553       sc.read = 3;
1554       sc.write = 3;
1555       sc.exec = 3;
1556       sc.init = 3;
1557       sc.mode = 3;
1558       sc.spare = 0;
1559       sc.segadd = 0;
1560       sc.spare1 = 0;		/* If not zero, then it doesn't work.  */
1561       sc.name = section_translate (name);
1562 
1563       if (strlen (sc.name) == 1)
1564 	{
1565 	  switch (sc.name[0])
1566 	    {
1567 	    case 'D':
1568 	    case 'B':
1569 	      sc.contents = CONTENTS_DATA;
1570 	      break;
1571 
1572 	    default:
1573 	      sc.contents = CONTENTS_CODE;
1574 	    }
1575 	}
1576       else
1577 	{
1578 	  sc.contents = CONTENTS_CODE;
1579 	}
1580 
1581       sysroff_swap_sc_out (file, &sc);
1582       scount++;
1583     }
1584   free (info);
1585   return scount;
1586 }
1587 
1588 /* Write out the ER records for a unit.  */
1589 
1590 static void
wr_er(struct coff_ofile * ptr,struct coff_sfile * sfile ATTRIBUTE_UNUSED,int first)1591 wr_er (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1592        int first)
1593 {
1594   int idx = 0;
1595   struct coff_symbol *sym;
1596 
1597   if (first)
1598     {
1599       for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
1600 	{
1601 	  if (sym->visible->type == coff_vis_ext_ref)
1602 	    {
1603 	      struct IT_er er;
1604 
1605 	      er.spare = 0;
1606 	      er.type = ER_NOTSPEC;
1607 	      er.name = sym->name;
1608 	      sysroff_swap_er_out (file, &er);
1609 	      sym->er_number = idx++;
1610 	    }
1611 	}
1612     }
1613 }
1614 
1615 /* Write out the ED records for a unit.  */
1616 
1617 static void
wr_ed(struct coff_ofile * ptr,struct coff_sfile * sfile ATTRIBUTE_UNUSED,int first)1618 wr_ed (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1619        int first)
1620 {
1621   struct coff_symbol *s;
1622 
1623   if (first)
1624     {
1625       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
1626 	{
1627 	  if (s->visible->type == coff_vis_ext_def
1628 	      || s->visible->type == coff_vis_common)
1629 	    {
1630 	      struct IT_ed ed;
1631 
1632 	      ed.section = s->where->section->number;
1633 	      ed.spare = 0;
1634 
1635 	      if (s->where->section->data)
1636 		{
1637 		  ed.type = ED_TYPE_DATA;
1638 		}
1639 	      else if (s->where->section->code & SEC_CODE)
1640 		{
1641 		  ed.type = ED_TYPE_ENTRY;
1642 		}
1643 	      else
1644 		{
1645 		  ed.type = ED_TYPE_NOTSPEC;
1646 		  ed.type = ED_TYPE_DATA;
1647 		}
1648 
1649 	      ed.address = s->where->offset - s->where->section->address;
1650 	      ed.name = s->name;
1651 	      sysroff_swap_ed_out (file, &ed);
1652 	    }
1653 	}
1654     }
1655 }
1656 
1657 static void
wr_unit_info(struct coff_ofile * ptr)1658 wr_unit_info (struct coff_ofile *ptr)
1659 {
1660   struct coff_sfile *sfile;
1661   int first = 1;
1662 
1663   for (sfile = ptr->source_head;
1664        sfile;
1665        sfile = sfile->next)
1666     {
1667       long p1;
1668       long p2;
1669       int nsecs;
1670 
1671       p1 = ftell (file);
1672       wr_un (ptr, sfile, first, 0);
1673       nsecs = wr_sc (ptr, sfile);
1674       p2 = ftell (file);
1675       fseek (file, p1, SEEK_SET);
1676       wr_un (ptr, sfile, first, nsecs);
1677       fseek (file, p2, SEEK_SET);
1678       wr_er (ptr, sfile, first);
1679       wr_ed (ptr, sfile, first);
1680       first = 0;
1681     }
1682 }
1683 
1684 static void
wr_module(struct coff_ofile * p)1685 wr_module (struct coff_ofile *p)
1686 {
1687   wr_cs ();
1688   wr_hd (p);
1689   wr_unit_info (p);
1690   wr_object_body (p);
1691   wr_debug (p);
1692   wr_tr ();
1693 }
1694 
1695 static int
align(int x)1696 align (int x)
1697 {
1698   return (x + 3) & ~3;
1699 }
1700 
1701 /* Find all the common variables and turn them into
1702    ordinary defs - dunno why, but thats what hitachi does with 'em.  */
1703 
1704 static void
prescan(struct coff_ofile * otree)1705 prescan (struct coff_ofile *otree)
1706 {
1707   struct coff_symbol *s;
1708   struct coff_section *common_section;
1709 
1710   if (otree->nsections < 3)
1711     return;
1712 
1713   /* Find the common section - always section 3.  */
1714   common_section = otree->sections + 3;
1715 
1716   for (s = otree->symbol_list_head;
1717        s;
1718        s = s->next_in_ofile_list)
1719     {
1720       if (s->visible->type == coff_vis_common)
1721 	{
1722 	  struct coff_where *w = s->where;
1723 	  /*      s->visible->type = coff_vis_ext_def; leave it as common */
1724 	  common_section->size = align (common_section->size);
1725 	  w->offset = common_section->size + common_section->address;
1726 	  w->section = common_section;
1727 	  common_section->size += s->type->size;
1728 	  common_section->size = align (common_section->size);
1729 	}
1730     }
1731 }
1732 
1733 char *program_name;
1734 
1735 static void
show_usage(FILE * ffile,int status)1736 show_usage (FILE *ffile, int status)
1737 {
1738   fprintf (ffile, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
1739   fprintf (ffile, _("Convert a COFF object file into a SYSROFF object file\n"));
1740   fprintf (ffile, _(" The options are:\n\
1741   -q --quick       (Obsolete - ignored)\n\
1742   -n --noprescan   Do not perform a scan to convert commons into defs\n\
1743   -d --debug       Display information about what is being done\n\
1744   @<file>          Read options from <file>\n\
1745   -h --help        Display this information\n\
1746   -v --version     Print the program's version number\n"));
1747 
1748   if (REPORT_BUGS_TO[0] && status == 0)
1749     fprintf (ffile, _("Report bugs to %s\n"), REPORT_BUGS_TO);
1750   exit (status);
1751 }
1752 
1753 int
main(int ac,char ** av)1754 main (int ac, char **av)
1755 {
1756   int opt;
1757   static struct option long_options[] =
1758   {
1759     {"debug", no_argument, 0, 'd'},
1760     {"quick", no_argument, 0, 'q'},
1761     {"noprescan", no_argument, 0, 'n'},
1762     {"help", no_argument, 0, 'h'},
1763     {"version", no_argument, 0, 'V'},
1764     {NULL, no_argument, 0, 0}
1765   };
1766   char **matching;
1767   char *input_file;
1768   char *output_file;
1769 
1770 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1771   setlocale (LC_MESSAGES, "");
1772 #endif
1773 #if defined (HAVE_SETLOCALE)
1774   setlocale (LC_CTYPE, "");
1775 #endif
1776   bindtextdomain (PACKAGE, LOCALEDIR);
1777   textdomain (PACKAGE);
1778 
1779   program_name = av[0];
1780   xmalloc_set_program_name (program_name);
1781   bfd_set_error_program_name (program_name);
1782 
1783   expandargv (&ac, &av);
1784 
1785   while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
1786 			     (int *) NULL))
1787 	 != EOF)
1788     {
1789       switch (opt)
1790 	{
1791 	case 'q':
1792 	  quick = 1;
1793 	  break;
1794 	case 'n':
1795 	  noprescan = 1;
1796 	  break;
1797 	case 'd':
1798 	  debug = 1;
1799 	  break;
1800 	case 'H':
1801 	case 'h':
1802 	  show_usage (stdout, 0);
1803 	  /*NOTREACHED */
1804 	case 'v':
1805 	case 'V':
1806 	  print_version ("srconv");
1807 	  exit (0);
1808 	  /*NOTREACHED */
1809 	case 0:
1810 	  break;
1811 	default:
1812 	  show_usage (stderr, 1);
1813 	  /*NOTREACHED */
1814 	}
1815     }
1816 
1817   /* The input and output files may be named on the command line.  */
1818   output_file = NULL;
1819   if (optind < ac)
1820     {
1821       input_file = av[optind];
1822       ++optind;
1823       if (optind < ac)
1824 	{
1825 	  output_file = av[optind];
1826 	  ++optind;
1827 	  if (optind < ac)
1828 	    show_usage (stderr, 1);
1829 	  if (filename_cmp (input_file, output_file) == 0)
1830 	    {
1831 	      fatal (_("input and output files must be different"));
1832 	    }
1833 	}
1834     }
1835   else
1836     input_file = 0;
1837 
1838   if (!input_file)
1839     {
1840       fatal (_("no input file specified"));
1841     }
1842 
1843   if (!output_file)
1844     {
1845       /* Take a .o off the input file and stick on a .obj.  If
1846          it doesn't end in .o, then stick a .obj on anyway */
1847 
1848       int len = strlen (input_file);
1849 
1850       output_file = xmalloc (len + 5);
1851       strcpy (output_file, input_file);
1852 
1853       if (len > 3
1854 	  && output_file[len - 2] == '.'
1855 	  && output_file[len - 1] == 'o')
1856 	{
1857 	  output_file[len] = 'b';
1858 	  output_file[len + 1] = 'j';
1859 	  output_file[len + 2] = 0;
1860 	}
1861       else
1862 	{
1863 	  strcat (output_file, ".obj");
1864 	}
1865     }
1866 
1867   abfd = bfd_openr (input_file, 0);
1868 
1869   if (!abfd)
1870     bfd_fatal (input_file);
1871 
1872   if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1873     {
1874       bfd_nonfatal (input_file);
1875 
1876       if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1877 	{
1878 	  list_matching_formats (matching);
1879 	  free (matching);
1880 	}
1881       exit (1);
1882     }
1883 
1884   file = fopen (output_file, FOPEN_WB);
1885 
1886   if (!file)
1887     fatal (_("unable to open output file %s"), output_file);
1888 
1889   if (debug)
1890     printf ("ids %d %d\n", base1, base2);
1891 
1892   tree = coff_grok (abfd);
1893   if (tree)
1894     {
1895       if (!noprescan)
1896 	prescan (tree);
1897 
1898       wr_module (tree);
1899     }
1900   return 0;
1901 }
1902