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