1 /* BFD back-end for oasys objects.
2    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2001,
3    2002, 2003 Free Software Foundation, Inc.
4    Written by Steve Chamberlain of Cygnus Support, <sac@cygnus.com>.
5 
6    This file is part of BFD, the Binary File Descriptor library.
7 
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 2 of the License, or
11    (at your option) any later version.
12 
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
21 
22 #define UNDERSCORE_HACK 1
23 #include "bfd.h"
24 #include "sysdep.h"
25 #include "safe-ctype.h"
26 #include "libbfd.h"
27 #include "oasys.h"
28 #include "liboasys.h"
29 
30 static bfd_boolean oasys_slurp_section_data
31   PARAMS ((bfd * const));
32 static bfd_boolean oasys_read_record
33   PARAMS ((bfd *, oasys_record_union_type *));
34 static bfd_boolean oasys_write_sections
35   PARAMS ((bfd *));
36 static bfd_boolean oasys_write_record
37   PARAMS ((bfd *, oasys_record_enum_type, oasys_record_union_type *, size_t));
38 static bfd_boolean oasys_write_syms
39   PARAMS ((bfd *));
40 static bfd_boolean oasys_write_header
41   PARAMS ((bfd *));
42 static bfd_boolean oasys_write_end
43   PARAMS ((bfd *));
44 static bfd_boolean oasys_write_data
45   PARAMS ((bfd *));
46 static size_t oasys_string_length
47   PARAMS ((oasys_record_union_type *));
48 static bfd_boolean oasys_slurp_symbol_table
49   PARAMS ((bfd *const));
50 static long int oasys_get_symtab_upper_bound
51   PARAMS ((bfd *const));
52 static const bfd_target *oasys_archive_p
53   PARAMS ((bfd *));
54 static bfd_boolean oasys_mkobject
55   PARAMS ((bfd *));
56 static const bfd_target *oasys_object_p
57   PARAMS ((bfd *));
58 static void oasys_get_symbol_info
59   PARAMS ((bfd *, asymbol *, symbol_info *));
60 static void oasys_print_symbol
61   PARAMS ((bfd *, void *, asymbol *, bfd_print_symbol_type));
62 static bfd_boolean oasys_new_section_hook
63   PARAMS ((bfd *, asection *));
64 static long int oasys_get_reloc_upper_bound
65   PARAMS ((bfd *, sec_ptr));
66 static bfd_boolean oasys_get_section_contents
67   PARAMS ((bfd *, sec_ptr, void *, file_ptr, bfd_size_type));
68 static int comp
69   PARAMS ((const void *, const void *));
70 static bfd_boolean oasys_write_object_contents
71   PARAMS ((bfd *));
72 static bfd_boolean oasys_set_section_contents
73   PARAMS ((bfd *, sec_ptr, const void *, file_ptr, bfd_size_type));
74 static asymbol *oasys_make_empty_symbol
75   PARAMS ((bfd *));
76 static bfd *oasys_openr_next_archived_file
77   PARAMS ((bfd *, bfd *));
78 static bfd_boolean oasys_find_nearest_line
79   PARAMS ((bfd *, asection *, asymbol **, bfd_vma,
80 	   const char **, const char **, unsigned int *));
81 static int oasys_generic_stat_arch_elt
82   PARAMS ((bfd *, struct stat *));
83 static int oasys_sizeof_headers
84   PARAMS ((bfd *, bfd_boolean));
85 
86 long oasys_canonicalize_symtab
87   PARAMS ((bfd *, asymbol **));
88 long oasys_canonicalize_reloc
89   PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
90 
91 /* Read in all the section data and relocation stuff too.  */
92 
93 static bfd_boolean
oasys_read_record(abfd,record)94 oasys_read_record (abfd, record)
95      bfd *abfd;
96      oasys_record_union_type *record;
97 {
98   bfd_size_type amt = sizeof (record->header);
99   if (bfd_bread ((PTR) record, amt, abfd) != amt)
100     return FALSE;
101 
102   amt = record->header.length - sizeof (record->header);
103   if ((long) amt <= 0)
104     return TRUE;
105   if (bfd_bread ((PTR) ((char *) record + sizeof (record->header)), amt, abfd)
106       != amt)
107     return FALSE;
108   return TRUE;
109 }
110 
111 static size_t
oasys_string_length(record)112 oasys_string_length (record)
113      oasys_record_union_type *record;
114 {
115   return record->header.length
116     - ((char *) record->symbol.name - (char *) record);
117 }
118 
119 /*****************************************************************************/
120 
121 /*
122 
123 Slurp the symbol table by reading in all the records at the start file
124 till we get to the first section record.
125 
126 We'll sort the symbolss into  two lists, defined and undefined. The
127 undefined symbols will be placed into the table according to their
128 refno.
129 
130 We do this by placing all undefined symbols at the front of the table
131 moving in, and the defined symbols at the end of the table moving back.
132 
133 */
134 
135 static bfd_boolean
oasys_slurp_symbol_table(abfd)136 oasys_slurp_symbol_table (abfd)
137      bfd *const abfd;
138 {
139   oasys_record_union_type record;
140   oasys_data_type *data = OASYS_DATA (abfd);
141   bfd_boolean loop = TRUE;
142   asymbol *dest_defined;
143   asymbol *dest;
144   char *string_ptr;
145   bfd_size_type amt;
146 
147   if (data->symbols != (asymbol *) NULL)
148     {
149       return TRUE;
150     }
151   /* Buy enough memory for all the symbols and all the names */
152   amt = abfd->symcount;
153   amt *= sizeof (asymbol);
154   data->symbols = (asymbol *) bfd_alloc (abfd, amt);
155 
156   amt = data->symbol_string_length;
157 #ifdef UNDERSCORE_HACK
158   /* buy 1 more char for each symbol to keep the underscore in*/
159   amt += abfd->symcount;
160 #endif
161   data->strings = bfd_alloc (abfd, amt);
162 
163   if (!data->symbols || !data->strings)
164     return FALSE;
165 
166   dest_defined = data->symbols + abfd->symcount - 1;
167 
168   string_ptr = data->strings;
169   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
170     return FALSE;
171   while (loop)
172     {
173 
174       if (! oasys_read_record (abfd, &record))
175 	return FALSE;
176       switch (record.header.type)
177 	{
178 	case oasys_record_is_header_enum:
179 	  break;
180 	case oasys_record_is_local_enum:
181 	case oasys_record_is_symbol_enum:
182 	  {
183 	    int flag = record.header.type == (int) oasys_record_is_local_enum ?
184 	    (BSF_LOCAL) : (BSF_GLOBAL | BSF_EXPORT);
185 
186 
187 	    size_t length = oasys_string_length (&record);
188 	    switch (record.symbol.relb & RELOCATION_TYPE_BITS)
189 	      {
190 	      case RELOCATION_TYPE_ABS:
191 		dest = dest_defined--;
192 		dest->section = bfd_abs_section_ptr;
193 		dest->flags = 0;
194 
195 		break;
196 	      case RELOCATION_TYPE_REL:
197 		dest = dest_defined--;
198 		dest->section =
199 		  OASYS_DATA (abfd)->sections[record.symbol.relb &
200 					      RELOCATION_SECT_BITS];
201 		if (record.header.type == (int) oasys_record_is_local_enum)
202 		  {
203 		    dest->flags = BSF_LOCAL;
204 		    if (dest->section == (asection *) (~0))
205 		      {
206 			/* It seems that sometimes internal symbols are tied up, but
207 		       still get output, even though there is no
208 		       section */
209 			dest->section = 0;
210 		      }
211 		  }
212 		else
213 		  {
214 
215 		    dest->flags = flag;
216 		  }
217 		break;
218 	      case RELOCATION_TYPE_UND:
219 		dest = data->symbols + H_GET_16 (abfd, record.symbol.refno);
220 		dest->section = bfd_und_section_ptr;
221 		break;
222 	      case RELOCATION_TYPE_COM:
223 		dest = dest_defined--;
224 		dest->name = string_ptr;
225 		dest->the_bfd = abfd;
226 
227 		dest->section = bfd_com_section_ptr;
228 
229 		break;
230 	      default:
231 		dest = dest_defined--;
232 		BFD_ASSERT (0);
233 		break;
234 	      }
235 	    dest->name = string_ptr;
236 	    dest->the_bfd = abfd;
237 	    dest->udata.p = (PTR) NULL;
238 	    dest->value = H_GET_32 (abfd, record.symbol.value);
239 
240 #ifdef UNDERSCORE_HACK
241 	    if (record.symbol.name[0] != '_')
242 	      {
243 		string_ptr[0] = '_';
244 		string_ptr++;
245 	      }
246 #endif
247 	    memcpy (string_ptr, record.symbol.name, length);
248 
249 
250 	    string_ptr[length] = 0;
251 	    string_ptr += length + 1;
252 	  }
253 	  break;
254 	default:
255 	  loop = FALSE;
256 	}
257     }
258   return TRUE;
259 }
260 
261 static long
oasys_get_symtab_upper_bound(abfd)262 oasys_get_symtab_upper_bound (abfd)
263      bfd *const abfd;
264 {
265   if (! oasys_slurp_symbol_table (abfd))
266     return -1;
267 
268   return (abfd->symcount + 1) * (sizeof (oasys_symbol_type *));
269 }
270 
271 extern const bfd_target oasys_vec;
272 
273 long
oasys_canonicalize_symtab(abfd,location)274 oasys_canonicalize_symtab (abfd, location)
275      bfd *abfd;
276      asymbol **location;
277 {
278   asymbol *symbase;
279   unsigned int counter;
280   if (! oasys_slurp_symbol_table (abfd))
281     {
282       return -1;
283     }
284   symbase = OASYS_DATA (abfd)->symbols;
285   for (counter = 0; counter < abfd->symcount; counter++)
286     {
287       *(location++) = symbase++;
288     }
289   *location = 0;
290   return abfd->symcount;
291 }
292 
293 /***********************************************************************
294 *  archive stuff
295 */
296 
297 static const bfd_target *
oasys_archive_p(abfd)298 oasys_archive_p (abfd)
299      bfd *abfd;
300 {
301   oasys_archive_header_type header;
302   oasys_extarchive_header_type header_ext;
303   unsigned int i;
304   file_ptr filepos;
305   bfd_size_type amt;
306 
307   amt = sizeof (header_ext);
308   if (bfd_seek (abfd, (file_ptr) 0, 0) != 0
309       || bfd_bread ((PTR) &header_ext, amt, abfd) != amt)
310     {
311       if (bfd_get_error () != bfd_error_system_call)
312 	bfd_set_error (bfd_error_wrong_format);
313       return NULL;
314     }
315 
316   header.version = H_GET_32 (abfd, header_ext.version);
317   header.mod_count = H_GET_32 (abfd, header_ext.mod_count);
318   header.mod_tbl_offset = H_GET_32 (abfd, header_ext.mod_tbl_offset);
319   header.sym_tbl_size = H_GET_32 (abfd, header_ext.sym_tbl_size);
320   header.sym_count = H_GET_32 (abfd, header_ext.sym_count);
321   header.sym_tbl_offset = H_GET_32 (abfd, header_ext.sym_tbl_offset);
322   header.xref_count = H_GET_32 (abfd, header_ext.xref_count);
323   header.xref_lst_offset = H_GET_32 (abfd, header_ext.xref_lst_offset);
324 
325   /*
326     There isn't a magic number in an Oasys archive, so the best we
327     can do to verify reasonableness is to make sure that the values in
328     the header are too weird
329     */
330 
331   if (header.version > 10000 ||
332       header.mod_count > 10000 ||
333       header.sym_count > 100000 ||
334       header.xref_count > 100000)
335     return (const bfd_target *) NULL;
336 
337   /*
338     That all worked, let's buy the space for the header and read in
339     the headers.
340     */
341   {
342     oasys_ar_data_type *ar;
343     oasys_module_info_type *module;
344     oasys_module_table_type record;
345 
346     amt = sizeof (oasys_ar_data_type);
347     ar = (oasys_ar_data_type *) bfd_alloc (abfd, amt);
348 
349     amt = header.mod_count;
350     amt *= sizeof (oasys_module_info_type);
351     module = (oasys_module_info_type *) bfd_alloc (abfd, amt);
352 
353     if (!ar || !module)
354       return NULL;
355 
356     abfd->tdata.oasys_ar_data = ar;
357     ar->module = module;
358     ar->module_count = header.mod_count;
359 
360     filepos = header.mod_tbl_offset;
361     for (i = 0; i < header.mod_count; i++)
362       {
363 	if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
364 	  return NULL;
365 
366 	/* There are two ways of specifying the archive header */
367 
368 	if (0)
369 	  {
370 	    oasys_extmodule_table_type_a_type record_ext;
371 
372 	    amt = sizeof (record_ext);
373 	    if (bfd_bread ((PTR) &record_ext, amt, abfd) != amt)
374 	      return NULL;
375 
376 	    record.mod_size = H_GET_32 (abfd, record_ext.mod_size);
377 	    record.file_offset = H_GET_32 (abfd, record_ext.file_offset);
378 
379 	    record.dep_count = H_GET_32 (abfd, record_ext.dep_count);
380 	    record.depee_count = H_GET_32 (abfd, record_ext.depee_count);
381 	    record.sect_count = H_GET_32 (abfd, record_ext.sect_count);
382 
383 	    module[i].name = bfd_alloc (abfd, (bfd_size_type) 33);
384 	    if (!module[i].name)
385 	      return NULL;
386 
387 	    memcpy (module[i].name, record_ext.mod_name, 33);
388 	    filepos +=
389 	      sizeof (record_ext) +
390 	      record.dep_count * 4 +
391 	      record.depee_count * 4 +
392 	      record.sect_count * 8 + 187;
393 	  }
394 	else
395 	  {
396 	    oasys_extmodule_table_type_b_type record_ext;
397 
398 	    amt = sizeof (record_ext);
399 	    if (bfd_bread ((PTR) &record_ext, amt, abfd) != amt)
400 	      return NULL;
401 
402 	    record.mod_size = H_GET_32 (abfd, record_ext.mod_size);
403 	    record.file_offset = H_GET_32 (abfd, record_ext.file_offset);
404 
405 	    record.dep_count = H_GET_32 (abfd, record_ext.dep_count);
406 	    record.depee_count = H_GET_32 (abfd, record_ext.depee_count);
407 	    record.sect_count = H_GET_32 (abfd, record_ext.sect_count);
408 	    record.module_name_size = H_GET_32 (abfd,
409 						record_ext.mod_name_length);
410 
411 	    amt = record.module_name_size;
412 	    module[i].name = bfd_alloc (abfd, amt + 1);
413 	    if (!module[i].name)
414 	      return NULL;
415 	    if (bfd_bread ((PTR) module[i].name, amt, abfd) != amt)
416 	      return NULL;
417 	    module[i].name[record.module_name_size] = 0;
418 	    filepos += (sizeof (record_ext)
419 			+ record.dep_count * 4
420 			+ record.module_name_size + 1);
421 	  }
422 
423 	module[i].size = record.mod_size;
424 	module[i].pos = record.file_offset;
425 	module[i].abfd = 0;
426       }
427   }
428   return abfd->xvec;
429 }
430 
431 static bfd_boolean
oasys_mkobject(abfd)432 oasys_mkobject (abfd)
433      bfd *abfd;
434 {
435   bfd_size_type amt = sizeof (oasys_data_type);
436   abfd->tdata.oasys_obj_data = (oasys_data_type *) bfd_alloc (abfd, amt);
437   return abfd->tdata.oasys_obj_data != NULL;
438 }
439 
440 #define MAX_SECS 16
441 static const bfd_target *
oasys_object_p(abfd)442 oasys_object_p (abfd)
443      bfd *abfd;
444 {
445   oasys_data_type *oasys;
446   oasys_data_type *save = OASYS_DATA (abfd);
447   bfd_boolean loop = TRUE;
448   bfd_boolean had_usefull = FALSE;
449 
450   abfd->tdata.oasys_obj_data = 0;
451   oasys_mkobject (abfd);
452   oasys = OASYS_DATA (abfd);
453   memset ((PTR) oasys->sections, 0xff, sizeof (oasys->sections));
454 
455   /* Point to the start of the file */
456   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
457     goto fail;
458   oasys->symbol_string_length = 0;
459   /* Inspect the records, but only keep the section info -
460      remember the size of the symbols
461      */
462   oasys->first_data_record = 0;
463   while (loop)
464     {
465       oasys_record_union_type record;
466       if (! oasys_read_record (abfd, &record))
467 	goto fail;
468       if ((size_t) record.header.length < (size_t) sizeof (record.header))
469 	goto fail;
470 
471 
472       switch ((oasys_record_enum_type) (record.header.type))
473 	{
474 	case oasys_record_is_header_enum:
475 	  had_usefull = TRUE;
476 	  break;
477 	case oasys_record_is_symbol_enum:
478 	case oasys_record_is_local_enum:
479 	  /* Count symbols and remember their size for a future malloc   */
480 	  abfd->symcount++;
481 	  oasys->symbol_string_length += 1 + oasys_string_length (&record);
482 	  had_usefull = TRUE;
483 	  break;
484 	case oasys_record_is_section_enum:
485 	  {
486 	    asection *s;
487 	    char *buffer;
488 	    unsigned int section_number;
489 	    if (record.section.header.length != sizeof (record.section))
490 	      {
491 		goto fail;
492 	      }
493 	    buffer = bfd_alloc (abfd, (bfd_size_type) 3);
494 	    if (!buffer)
495 	      goto fail;
496 	    section_number = record.section.relb & RELOCATION_SECT_BITS;
497 	    sprintf (buffer, "%u", section_number);
498 	    s = bfd_make_section (abfd, buffer);
499 	    oasys->sections[section_number] = s;
500 	    switch (record.section.relb & RELOCATION_TYPE_BITS)
501 	      {
502 	      case RELOCATION_TYPE_ABS:
503 	      case RELOCATION_TYPE_REL:
504 		break;
505 	      case RELOCATION_TYPE_UND:
506 	      case RELOCATION_TYPE_COM:
507 		BFD_FAIL ();
508 	      }
509 
510 	    s->_raw_size = H_GET_32 (abfd, record.section.value);
511 	    s->vma = H_GET_32 (abfd, record.section.vma);
512 	    s->flags = 0;
513 	    had_usefull = TRUE;
514 	  }
515 	  break;
516 	case oasys_record_is_data_enum:
517 	  oasys->first_data_record = bfd_tell (abfd) - record.header.length;
518 	case oasys_record_is_debug_enum:
519 	case oasys_record_is_module_enum:
520 	case oasys_record_is_named_section_enum:
521 	case oasys_record_is_end_enum:
522 	  if (! had_usefull)
523 	    goto fail;
524 	  loop = FALSE;
525 	  break;
526 	default:
527 	  goto fail;
528 	}
529     }
530   oasys->symbols = (asymbol *) NULL;
531   /*
532     Oasys support several architectures, but I can't see a simple way
533     to discover which one is in a particular file - we'll guess
534     */
535   bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
536   if (abfd->symcount != 0)
537     {
538       abfd->flags |= HAS_SYMS;
539     }
540 
541   /*
542     We don't know if a section has data until we've read it..
543     */
544 
545   oasys_slurp_section_data (abfd);
546 
547 
548   return abfd->xvec;
549 
550 fail:
551   (void) bfd_release (abfd, oasys);
552   abfd->tdata.oasys_obj_data = save;
553   return (const bfd_target *) NULL;
554 }
555 
556 
557 static void
oasys_get_symbol_info(ignore_abfd,symbol,ret)558 oasys_get_symbol_info (ignore_abfd, symbol, ret)
559      bfd *ignore_abfd ATTRIBUTE_UNUSED;
560      asymbol *symbol;
561      symbol_info *ret;
562 {
563   bfd_symbol_info (symbol, ret);
564   if (!symbol->section)
565     ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
566 }
567 
568 static void
oasys_print_symbol(abfd,afile,symbol,how)569 oasys_print_symbol (abfd, afile, symbol, how)
570      bfd *abfd;
571      PTR afile;
572      asymbol *symbol;
573      bfd_print_symbol_type how;
574 {
575   FILE *file = (FILE *) afile;
576 
577   switch (how)
578     {
579     case bfd_print_symbol_name:
580     case bfd_print_symbol_more:
581       fprintf (file, "%s", symbol->name);
582       break;
583     case bfd_print_symbol_all:
584       {
585 	const char *section_name = symbol->section == (asection *) NULL ?
586 	(const char *) "*abs" : symbol->section->name;
587 
588 	bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
589 
590 	fprintf (file, " %-5s %s",
591 		 section_name,
592 		 symbol->name);
593       }
594       break;
595     }
596 }
597 /*
598  The howto table is build using the top two bits of a reloc byte to
599  index into it. The bits are PCREL,WORD/LONG
600 */
601 static reloc_howto_type howto_table[] =
602 {
603 
604   HOWTO (0, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "abs16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
605   HOWTO (0, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "abs32", TRUE, 0xffffffff, 0xffffffff, FALSE),
606   HOWTO (0, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "pcrel16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
607   HOWTO (0, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "pcrel32", TRUE, 0xffffffff, 0xffffffff, FALSE)
608 };
609 
610 /* Read in all the section data and relocation stuff too */
611 static bfd_boolean
oasys_slurp_section_data(abfd)612 oasys_slurp_section_data (abfd)
613      bfd *const abfd;
614 {
615   oasys_record_union_type record;
616   oasys_data_type *data = OASYS_DATA (abfd);
617   bfd_boolean loop = TRUE;
618   oasys_per_section_type *per;
619   asection *s;
620   bfd_size_type amt;
621 
622   /* See if the data has been slurped already .. */
623   for (s = abfd->sections; s != (asection *) NULL; s = s->next)
624     {
625       per = oasys_per_section (s);
626       if (per->initialized)
627 	return TRUE;
628     }
629 
630   if (data->first_data_record == 0)
631     return TRUE;
632 
633   if (bfd_seek (abfd, data->first_data_record, SEEK_SET) != 0)
634     return FALSE;
635   while (loop)
636     {
637       if (! oasys_read_record (abfd, &record))
638 	return FALSE;
639       switch (record.header.type)
640 	{
641 	case oasys_record_is_header_enum:
642 	  break;
643 	case oasys_record_is_data_enum:
644 	  {
645 
646 	    bfd_byte *src = record.data.data;
647 	    bfd_byte *end_src = ((bfd_byte *) & record) + record.header.length;
648 	    bfd_byte *dst_ptr;
649 	    bfd_byte *dst_base_ptr;
650 	    unsigned int relbit;
651 	    unsigned int count;
652 	    asection *section =
653 	    data->sections[record.data.relb & RELOCATION_SECT_BITS];
654 	    bfd_vma dst_offset;
655 
656 	    per = oasys_per_section (section);
657 
658 	    if (! per->initialized)
659 	      {
660 		per->data = (bfd_byte *) bfd_zalloc (abfd, section->_raw_size);
661 		if (!per->data)
662 		  return FALSE;
663 		per->reloc_tail_ptr
664 		  = (oasys_reloc_type **) &section->relocation;
665 		per->had_vma = FALSE;
666 		per->initialized = TRUE;
667 		section->reloc_count = 0;
668 		section->flags = SEC_ALLOC;
669 	      }
670 
671 	    dst_offset = H_GET_32 (abfd, record.data.addr);
672 	    if (! per->had_vma)
673 	      {
674 		/* Take the first vma we see as the base */
675 		section->vma = dst_offset;
676 		per->had_vma = TRUE;
677 	      }
678 
679 	    dst_offset -= section->vma;
680 
681 	    dst_base_ptr = oasys_per_section (section)->data;
682 	    dst_ptr = oasys_per_section (section)->data +
683 	      dst_offset;
684 
685 	    if (src < end_src)
686 	      {
687 		section->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
688 	      }
689 	    while (src < end_src)
690 	      {
691 		unsigned char mod_byte = *src++;
692 		size_t gap = end_src - src;
693 
694 		count = 8;
695 		if (mod_byte == 0 && gap >= 8)
696 		  {
697 		    dst_ptr[0] = src[0];
698 		    dst_ptr[1] = src[1];
699 		    dst_ptr[2] = src[2];
700 		    dst_ptr[3] = src[3];
701 		    dst_ptr[4] = src[4];
702 		    dst_ptr[5] = src[5];
703 		    dst_ptr[6] = src[6];
704 		    dst_ptr[7] = src[7];
705 		    dst_ptr += 8;
706 		    src += 8;
707 		  }
708 		else
709 		  {
710 		    for (relbit = 1; count-- != 0 && src < end_src; relbit <<= 1)
711 		      {
712 			if (relbit & mod_byte)
713 			  {
714 			    unsigned char reloc = *src;
715 			    /* This item needs to be relocated */
716 			    switch (reloc & RELOCATION_TYPE_BITS)
717 			      {
718 			      case RELOCATION_TYPE_ABS:
719 
720 				break;
721 
722 			      case RELOCATION_TYPE_REL:
723 				{
724 				  /* Relocate the item relative to the section */
725 				  oasys_reloc_type *r;
726 
727 				  amt = sizeof (oasys_reloc_type);
728 				  r = (oasys_reloc_type *) bfd_alloc (abfd,
729 								      amt);
730 				  if (!r)
731 				    return FALSE;
732 				  *(per->reloc_tail_ptr) = r;
733 				  per->reloc_tail_ptr = &r->next;
734 				  r->next = (oasys_reloc_type *) NULL;
735 				  /* Reference to undefined symbol */
736 				  src++;
737 				  /* There is no symbol */
738 				  r->symbol = 0;
739 				  /* Work out the howto */
740 				  abort ();
741 #if 0
742 				  r->relent.section =
743 				    data->sections[reloc &
744 						   RELOCATION_SECT_BITS];
745 
746 				  r->relent.addend = -
747 				    r->relent.section->vma;
748 #endif
749 				  r->relent.address = dst_ptr - dst_base_ptr;
750 				  r->relent.howto = &howto_table[reloc >> 6];
751 				  r->relent.sym_ptr_ptr = (asymbol **) NULL;
752 				  section->reloc_count++;
753 
754 				  /* Fake up the data to look like
755 				     it's got the -ve pc in it, this
756 				     makes it much easier to convert
757 				     into other formats.  This is done
758 				     by hitting the addend.  */
759 				  if (r->relent.howto->pc_relative)
760 				    r->relent.addend -= dst_ptr - dst_base_ptr;
761 				}
762 				break;
763 
764 
765 			      case RELOCATION_TYPE_UND:
766 				{
767 				  oasys_reloc_type *r;
768 
769 				  amt = sizeof (oasys_reloc_type);
770 				  r = (oasys_reloc_type *) bfd_alloc (abfd,
771 								      amt);
772 				  if (!r)
773 				    return FALSE;
774 				  *(per->reloc_tail_ptr) = r;
775 				  per->reloc_tail_ptr = &r->next;
776 				  r->next = (oasys_reloc_type *) NULL;
777 				  /* Reference to undefined symbol */
778 				  src++;
779 				  /* Get symbol number */
780 				  r->symbol = (src[0] << 8) | src[1];
781 				  /* Work out the howto */
782 				  abort ();
783 
784 #if 0
785 				  r->relent.section = (asection
786 						       *) NULL;
787 #endif
788 				  r->relent.addend = 0;
789 				  r->relent.address = dst_ptr - dst_base_ptr;
790 				  r->relent.howto = &howto_table[reloc >> 6];
791 				  r->relent.sym_ptr_ptr = (asymbol **) NULL;
792 				  section->reloc_count++;
793 
794 				  src += 2;
795 				  /* Fake up the data to look like
796 				     it's got the -ve pc in it, this
797 				     makes it much easier to convert
798 				     into other formats.  This is done
799 				     by hitting the addend.  */
800 				  if (r->relent.howto->pc_relative)
801 				    r->relent.addend -= dst_ptr - dst_base_ptr;
802 				}
803 				break;
804 			      case RELOCATION_TYPE_COM:
805 				BFD_FAIL ();
806 			      }
807 			  }
808 			*dst_ptr++ = *src++;
809 		      }
810 		  }
811 	      }
812 	  }
813 	  break;
814 	case oasys_record_is_local_enum:
815 	case oasys_record_is_symbol_enum:
816 	case oasys_record_is_section_enum:
817 	  break;
818 	default:
819 	  loop = FALSE;
820 	}
821     }
822 
823   return TRUE;
824 
825 }
826 
827 static bfd_boolean
oasys_new_section_hook(abfd,newsect)828 oasys_new_section_hook (abfd, newsect)
829      bfd *abfd;
830      asection *newsect;
831 {
832   newsect->used_by_bfd = (PTR)
833     bfd_alloc (abfd, (bfd_size_type) sizeof (oasys_per_section_type));
834   if (!newsect->used_by_bfd)
835     return FALSE;
836   oasys_per_section (newsect)->data = (bfd_byte *) NULL;
837   oasys_per_section (newsect)->section = newsect;
838   oasys_per_section (newsect)->offset = 0;
839   oasys_per_section (newsect)->initialized = FALSE;
840   newsect->alignment_power = 1;
841   /* Turn the section string into an index */
842 
843   sscanf (newsect->name, "%u", &newsect->target_index);
844 
845   return TRUE;
846 }
847 
848 
849 static long
oasys_get_reloc_upper_bound(abfd,asect)850 oasys_get_reloc_upper_bound (abfd, asect)
851      bfd *abfd;
852      sec_ptr asect;
853 {
854   if (! oasys_slurp_section_data (abfd))
855     return -1;
856   return (asect->reloc_count + 1) * sizeof (arelent *);
857 }
858 
859 static bfd_boolean
oasys_get_section_contents(abfd,section,location,offset,count)860 oasys_get_section_contents (abfd, section, location, offset, count)
861      bfd *abfd;
862      sec_ptr section;
863      PTR location;
864      file_ptr offset;
865      bfd_size_type count;
866 {
867   oasys_per_section_type *p = oasys_per_section (section);
868   oasys_slurp_section_data (abfd);
869   if (! p->initialized)
870     {
871       (void) memset (location, 0, (size_t) count);
872     }
873   else
874     {
875       (void) memcpy (location, (PTR) (p->data + offset), (size_t) count);
876     }
877   return TRUE;
878 }
879 
880 
881 long
oasys_canonicalize_reloc(ignore_abfd,section,relptr,symbols)882 oasys_canonicalize_reloc (ignore_abfd, section, relptr, symbols)
883      bfd *ignore_abfd ATTRIBUTE_UNUSED;
884      sec_ptr section;
885      arelent **relptr;
886      asymbol **symbols ATTRIBUTE_UNUSED;
887 {
888   unsigned int reloc_count = 0;
889   oasys_reloc_type *src = (oasys_reloc_type *) (section->relocation);
890   while (src != (oasys_reloc_type *) NULL)
891     {
892       abort ();
893 
894 #if 0
895       if (src->relent.section == (asection *) NULL)
896 	{
897 	  src->relent.sym_ptr_ptr = symbols + src->symbol;
898 	}
899 #endif
900 
901       *relptr++ = &src->relent;
902       src = src->next;
903       reloc_count++;
904     }
905   *relptr = (arelent *) NULL;
906   return section->reloc_count = reloc_count;
907 }
908 
909 
910 
911 
912 /* Writing */
913 
914 
915 /* Calculate the checksum and write one record */
916 static bfd_boolean
oasys_write_record(abfd,type,record,size)917 oasys_write_record (abfd, type, record, size)
918      bfd *abfd;
919      oasys_record_enum_type type;
920      oasys_record_union_type *record;
921      size_t size;
922 {
923   int checksum;
924   size_t i;
925   unsigned char *ptr;
926 
927   record->header.length = size;
928   record->header.type = (int) type;
929   record->header.check_sum = 0;
930   record->header.fill = 0;
931   ptr = (unsigned char *) &record->pad[0];
932   checksum = 0;
933   for (i = 0; i < size; i++)
934     {
935       checksum += *ptr++;
936     }
937   record->header.check_sum = 0xff & (-checksum);
938   if (bfd_bwrite ((PTR) record, (bfd_size_type) size, abfd) != size)
939     return FALSE;
940   return TRUE;
941 }
942 
943 
944 /* Write out all the symbols */
945 static bfd_boolean
oasys_write_syms(abfd)946 oasys_write_syms (abfd)
947      bfd *abfd;
948 {
949   unsigned int count;
950   asymbol **generic = bfd_get_outsymbols (abfd);
951   unsigned int index = 0;
952   for (count = 0; count < bfd_get_symcount (abfd); count++)
953     {
954 
955       oasys_symbol_record_type symbol;
956       asymbol *const g = generic[count];
957 
958       const char *src = g->name;
959       char *dst = symbol.name;
960       unsigned int l = 0;
961 
962       if (bfd_is_com_section (g->section))
963 	{
964 	  symbol.relb = RELOCATION_TYPE_COM;
965 	  H_PUT_16 (abfd, index, symbol.refno);
966 	  index++;
967 	}
968       else if (bfd_is_abs_section (g->section))
969 	{
970 	  symbol.relb = RELOCATION_TYPE_ABS;
971 	  H_PUT_16 (abfd, 0, symbol.refno);
972 
973 	}
974       else if (bfd_is_und_section (g->section))
975 	{
976 	  symbol.relb = RELOCATION_TYPE_UND;
977 	  H_PUT_16 (abfd, index, symbol.refno);
978 	  /* Overload the value field with the output index number */
979 	  index++;
980 	}
981       else if (g->flags & BSF_DEBUGGING)
982 	{
983 	  /* throw it away */
984 	  continue;
985 	}
986       else
987 	{
988 	  if (g->section == (asection *) NULL)
989 	    {
990 	      /* Sometime, the oasys tools give out a symbol with illegal
991 	   bits in it, we'll output it in the same broken way */
992 
993 	      symbol.relb = RELOCATION_TYPE_REL | 0;
994 	    }
995 	  else
996 	    {
997 	      symbol.relb = RELOCATION_TYPE_REL | g->section->output_section->target_index;
998 	    }
999 	  H_PUT_16 (abfd, 0, symbol.refno);
1000 	}
1001 #ifdef UNDERSCORE_HACK
1002       if (src[l] == '_')
1003 	dst[l++] = '.';
1004 #endif
1005       while (src[l])
1006 	{
1007 	  dst[l] = src[l];
1008 	  l++;
1009 	}
1010 
1011       H_PUT_32 (abfd, g->value, symbol.value);
1012 
1013 
1014       if (g->flags & BSF_LOCAL)
1015 	{
1016 	  if (! oasys_write_record (abfd,
1017 				    oasys_record_is_local_enum,
1018 				    (oasys_record_union_type *) & symbol,
1019 				    offsetof (oasys_symbol_record_type,
1020 					      name[0]) + l))
1021 	    return FALSE;
1022 	}
1023       else
1024 	{
1025 	  if (! oasys_write_record (abfd,
1026 				    oasys_record_is_symbol_enum,
1027 				    (oasys_record_union_type *) & symbol,
1028 				    offsetof (oasys_symbol_record_type,
1029 					      name[0]) + l))
1030 	    return FALSE;
1031 	}
1032       g->value = index - 1;
1033     }
1034 
1035   return TRUE;
1036 }
1037 
1038 
1039  /* Write a section header for each section */
1040 static bfd_boolean
oasys_write_sections(abfd)1041 oasys_write_sections (abfd)
1042      bfd *abfd;
1043 {
1044   asection *s;
1045   static oasys_section_record_type out;
1046 
1047   for (s = abfd->sections; s != (asection *) NULL; s = s->next)
1048     {
1049       if (!ISDIGIT (s->name[0]))
1050 	{
1051 	  (*_bfd_error_handler)
1052 	    (_("%s: can not represent section `%s' in oasys"),
1053 	     bfd_get_filename (abfd), s->name);
1054 	  bfd_set_error (bfd_error_nonrepresentable_section);
1055 	  return FALSE;
1056 	}
1057       out.relb = RELOCATION_TYPE_REL | s->target_index;
1058       H_PUT_32 (abfd, s->_cooked_size, out.value);
1059       H_PUT_32 (abfd, s->vma, out.vma);
1060 
1061       if (! oasys_write_record (abfd,
1062 				oasys_record_is_section_enum,
1063 				(oasys_record_union_type *) & out,
1064 				sizeof (out)))
1065 	return FALSE;
1066     }
1067   return TRUE;
1068 }
1069 
1070 static bfd_boolean
oasys_write_header(abfd)1071 oasys_write_header (abfd)
1072      bfd *abfd;
1073 {
1074   /* Create and write the header */
1075   oasys_header_record_type r;
1076   size_t length = strlen (abfd->filename);
1077   if (length > (size_t) sizeof (r.module_name))
1078     {
1079       length = sizeof (r.module_name);
1080     }
1081 
1082   (void) memcpy (r.module_name,
1083 		 abfd->filename,
1084 		 length);
1085   (void) memset (r.module_name + length,
1086 		 ' ',
1087 		 sizeof (r.module_name) - length);
1088 
1089   r.version_number = OASYS_VERSION_NUMBER;
1090   r.rev_number = OASYS_REV_NUMBER;
1091   if (! oasys_write_record (abfd,
1092 			    oasys_record_is_header_enum,
1093 			    (oasys_record_union_type *) & r,
1094 			    offsetof (oasys_header_record_type,
1095 				      description[0])))
1096     return FALSE;
1097 
1098   return TRUE;
1099 }
1100 
1101 static bfd_boolean
oasys_write_end(abfd)1102 oasys_write_end (abfd)
1103      bfd *abfd;
1104 {
1105   oasys_end_record_type end;
1106   unsigned char null = 0;
1107   end.relb = RELOCATION_TYPE_ABS;
1108   H_PUT_32 (abfd, abfd->start_address, end.entry);
1109   H_PUT_16 (abfd, 0, end.fill);
1110   end.zero = 0;
1111   if (! oasys_write_record (abfd,
1112 			    oasys_record_is_end_enum,
1113 			    (oasys_record_union_type *) & end,
1114 			    sizeof (end)))
1115     return FALSE;
1116   if (bfd_bwrite ((PTR) &null, (bfd_size_type) 1, abfd) != 1)
1117     return FALSE;
1118   return TRUE;
1119 }
1120 
1121 static int
comp(ap,bp)1122 comp (ap, bp)
1123      const PTR ap;
1124      const PTR bp;
1125 {
1126   arelent *a = *((arelent **) ap);
1127   arelent *b = *((arelent **) bp);
1128   return a->address - b->address;
1129 }
1130 
1131 /*
1132  Writing data..
1133 
1134 */
1135 static bfd_boolean
oasys_write_data(abfd)1136 oasys_write_data (abfd)
1137      bfd *abfd;
1138 {
1139   asection *s;
1140   for (s = abfd->sections; s != (asection *) NULL; s = s->next)
1141     {
1142       if (s->flags & SEC_LOAD)
1143 	{
1144 	  bfd_byte *raw_data = oasys_per_section (s)->data;
1145 	  oasys_data_record_type processed_data;
1146 	  bfd_size_type current_byte_index = 0;
1147 	  unsigned int relocs_to_go = s->reloc_count;
1148 	  arelent **p = s->orelocation;
1149 	  if (s->reloc_count != 0)
1150 	    {
1151 /* Sort the reloc records so it's easy to insert the relocs into the
1152 	   data */
1153 
1154 	      qsort (s->orelocation,
1155 		     s->reloc_count,
1156 		     sizeof (arelent **),
1157 		     comp);
1158 	    }
1159 	  current_byte_index = 0;
1160 	  processed_data.relb = s->target_index | RELOCATION_TYPE_REL;
1161 
1162 	  while (current_byte_index < s->_cooked_size)
1163 	    {
1164 	      /* Scan forwards by eight bytes or however much is left and see if
1165 	       there are any relocations going on */
1166 	      bfd_byte *mod = &processed_data.data[0];
1167 	      bfd_byte *dst = &processed_data.data[1];
1168 
1169 	      unsigned int i = 0;
1170 	      *mod = 0;
1171 
1172 
1173 	      H_PUT_32 (abfd, s->vma + current_byte_index,
1174 			processed_data.addr);
1175 
1176 	      /* Don't start a relocation unless you're sure you can finish it
1177  	       within the same data record.  The worst case relocation is a
1178  	       4-byte relocatable value which is split across two modification
1179  	       bytes (1 relocation byte + 2 symbol reference bytes + 2 data +
1180  	       1 modification byte + 2 data = 8 bytes total).  That's where
1181  	       the magic number 8 comes from.
1182  	    */
1183 	      while (current_byte_index < s->_raw_size && dst <=
1184 		     &processed_data.data[sizeof (processed_data.data) - 8])
1185 		{
1186 
1187 
1188 		  if (relocs_to_go != 0)
1189 		    {
1190 		      arelent *r = *p;
1191 		      reloc_howto_type *const how = r->howto;
1192 		      /* There is a relocation, is it for this byte ? */
1193 		      if (r->address == current_byte_index)
1194 			{
1195 			  unsigned char rel_byte;
1196 
1197 			  p++;
1198 			  relocs_to_go--;
1199 
1200 			  *mod |= (1 << i);
1201 			  if (how->pc_relative)
1202 			    {
1203 			      rel_byte = RELOCATION_PCREL_BIT;
1204 
1205 			      /* Also patch the raw data so that it doesn't have
1206 			 the -ve stuff any more */
1207 			      if (how->size != 2)
1208 				{
1209 				  bfd_put_16 (abfd,
1210 					      bfd_get_16 (abfd, raw_data) +
1211 					      current_byte_index, raw_data);
1212 				}
1213 
1214 			      else
1215 				{
1216 				  bfd_put_32 (abfd,
1217 					      bfd_get_32 (abfd, raw_data) +
1218 					      current_byte_index, raw_data);
1219 				}
1220 			    }
1221 			  else
1222 			    {
1223 			      rel_byte = 0;
1224 			    }
1225 			  if (how->size == 2)
1226 			    {
1227 			      rel_byte |= RELOCATION_32BIT_BIT;
1228 			    }
1229 
1230 			  /* Is this a section relative relocation, or a symbol
1231 		       relative relocation ? */
1232 			  abort ();
1233 
1234 #if 0
1235 			  if (r->section != (asection *) NULL)
1236 			    {
1237 			      /* The relent has a section attached, so it must be section
1238 			     relative */
1239 			      rel_byte |= RELOCATION_TYPE_REL;
1240 			      rel_byte |= r->section->output_section->target_index;
1241 			      *dst++ = rel_byte;
1242 			    }
1243 			  else
1244 #endif
1245 			    {
1246 			      asymbol *sym = *(r->sym_ptr_ptr);
1247 
1248 			      /* If this symbol has a section attached, then it
1249 			     has already been resolved.  Change from a symbol
1250 			     ref to a section ref */
1251 			      if (sym->section != (asection *) NULL)
1252 				{
1253 				  rel_byte |= RELOCATION_TYPE_REL;
1254 				  rel_byte |=
1255 				    sym->section->output_section->target_index;
1256 				  *dst++ = rel_byte;
1257 				}
1258 			      else
1259 				{
1260 				  rel_byte |= RELOCATION_TYPE_UND;
1261 				  *dst++ = rel_byte;
1262 				  /* Next two bytes are a symbol index - we can get
1263 			       this from the symbol value which has been zapped
1264 			       into the symbol index in the table when the
1265 			       symbol table was written
1266 			       */
1267 				  *dst++ = sym->value >> 8;
1268 				  *dst++ = sym->value;
1269 				}
1270 			    }
1271 #define ADVANCE { if (++i >= 8) { i = 0; mod = dst++; *mod = 0; } current_byte_index++; }
1272 			  /* relocations never occur from an unloadable section,
1273 		       so we can assume that raw_data is not NULL
1274 		     */
1275 			  *dst++ = *raw_data++;
1276 			  ADVANCE
1277 			    * dst++ = *raw_data++;
1278 			  ADVANCE
1279 			    if (how->size == 2)
1280 			    {
1281 			      *dst++ = *raw_data++;
1282 			      ADVANCE
1283 				* dst++ = *raw_data++;
1284 			      ADVANCE
1285 			    }
1286 			  continue;
1287 			}
1288 		    }
1289 		  /* If this is coming from an unloadable section then copy
1290 		   zeros */
1291 		  if (raw_data == NULL)
1292 		    {
1293 		      *dst++ = 0;
1294 		    }
1295 		  else
1296 		    {
1297 		      *dst++ = *raw_data++;
1298 		    }
1299 		  ADVANCE
1300 		}
1301 
1302 	      /* Don't write a useless null modification byte */
1303 	      if (dst == mod + 1)
1304 		{
1305 		  --dst;
1306 		}
1307 
1308 	      if (! (oasys_write_record
1309 		     (abfd, oasys_record_is_data_enum,
1310 		      ((oasys_record_union_type *) &processed_data),
1311 		      (size_t) (dst - (bfd_byte *) &processed_data))))
1312 		return FALSE;
1313 	    }
1314 	}
1315     }
1316 
1317   return TRUE;
1318 }
1319 
1320 static bfd_boolean
oasys_write_object_contents(abfd)1321 oasys_write_object_contents (abfd)
1322      bfd *abfd;
1323 {
1324   if (! oasys_write_header (abfd))
1325     return FALSE;
1326   if (! oasys_write_syms (abfd))
1327     return FALSE;
1328   if (! oasys_write_sections (abfd))
1329     return FALSE;
1330   if (! oasys_write_data (abfd))
1331     return FALSE;
1332   if (! oasys_write_end (abfd))
1333     return FALSE;
1334   return TRUE;
1335 }
1336 
1337 
1338 
1339 
1340 /** exec and core file sections */
1341 
1342 /* set section contents is complicated with OASYS since the format is
1343 * not a byte image, but a record stream.
1344 */
1345 static bfd_boolean
oasys_set_section_contents(abfd,section,location,offset,count)1346 oasys_set_section_contents (abfd, section, location, offset, count)
1347      bfd *abfd;
1348      sec_ptr section;
1349      const PTR location;
1350      file_ptr offset;
1351      bfd_size_type count;
1352 {
1353   if (count != 0)
1354     {
1355       if (oasys_per_section (section)->data == (bfd_byte *) NULL)
1356 	{
1357 	  oasys_per_section (section)->data =
1358 	    (bfd_byte *) (bfd_alloc (abfd, section->_cooked_size));
1359 	  if (!oasys_per_section (section)->data)
1360 	    return FALSE;
1361 	}
1362       (void) memcpy ((PTR) (oasys_per_section (section)->data + offset),
1363 		     location,
1364 		     (size_t) count);
1365     }
1366   return TRUE;
1367 }
1368 
1369 
1370 
1371 /* Native-level interface to symbols. */
1372 
1373 /* We read the symbols into a buffer, which is discarded when this
1374 function exits.  We read the strings into a buffer large enough to
1375 hold them all plus all the cached symbol entries. */
1376 
1377 static asymbol *
oasys_make_empty_symbol(abfd)1378 oasys_make_empty_symbol (abfd)
1379      bfd *abfd;
1380 {
1381   bfd_size_type amt = sizeof (oasys_symbol_type);
1382   oasys_symbol_type *new = (oasys_symbol_type *) bfd_zalloc (abfd, amt);
1383   if (!new)
1384     return NULL;
1385   new->symbol.the_bfd = abfd;
1386   return &new->symbol;
1387 }
1388 
1389 
1390 
1391 
1392 /* User should have checked the file flags; perhaps we should return
1393 BFD_NO_MORE_SYMBOLS if there are none? */
1394 
1395 static bfd *
oasys_openr_next_archived_file(arch,prev)1396 oasys_openr_next_archived_file (arch, prev)
1397      bfd *arch;
1398      bfd *prev;
1399 {
1400   oasys_ar_data_type *ar = OASYS_AR_DATA (arch);
1401   oasys_module_info_type *p;
1402   /* take the next one from the arch state, or reset */
1403   if (prev == (bfd *) NULL)
1404     {
1405       /* Reset the index - the first two entries are bogus*/
1406       ar->module_index = 0;
1407     }
1408 
1409   p = ar->module + ar->module_index;
1410   ar->module_index++;
1411 
1412   if (ar->module_index <= ar->module_count)
1413     {
1414       if (p->abfd == (bfd *) NULL)
1415 	{
1416 	  p->abfd = _bfd_create_empty_archive_element_shell (arch);
1417 	  p->abfd->origin = p->pos;
1418 	  p->abfd->filename = p->name;
1419 
1420 	  /* Fixup a pointer to this element for the member */
1421 	  p->abfd->arelt_data = (PTR) p;
1422 	}
1423       return p->abfd;
1424     }
1425   else
1426     {
1427       bfd_set_error (bfd_error_no_more_archived_files);
1428       return (bfd *) NULL;
1429     }
1430 }
1431 
1432 static bfd_boolean
oasys_find_nearest_line(abfd,section,symbols,offset,filename_ptr,functionname_ptr,line_ptr)1433 oasys_find_nearest_line (abfd, section, symbols, offset,
1434 			 filename_ptr, functionname_ptr, line_ptr)
1435      bfd *abfd ATTRIBUTE_UNUSED;
1436      asection *section ATTRIBUTE_UNUSED;
1437      asymbol **symbols ATTRIBUTE_UNUSED;
1438      bfd_vma offset ATTRIBUTE_UNUSED;
1439      const char **filename_ptr ATTRIBUTE_UNUSED;
1440      const char **functionname_ptr ATTRIBUTE_UNUSED;
1441      unsigned int *line_ptr ATTRIBUTE_UNUSED;
1442 {
1443   return FALSE;
1444 
1445 }
1446 
1447 static int
oasys_generic_stat_arch_elt(abfd,buf)1448 oasys_generic_stat_arch_elt (abfd, buf)
1449      bfd *abfd;
1450      struct stat *buf;
1451 {
1452   oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data;
1453   if (mod == (oasys_module_info_type *) NULL)
1454     {
1455       bfd_set_error (bfd_error_invalid_operation);
1456       return -1;
1457     }
1458   else
1459     {
1460       buf->st_size = mod->size;
1461       buf->st_mode = 0666;
1462       return 0;
1463     }
1464 }
1465 
1466 static int
oasys_sizeof_headers(abfd,exec)1467 oasys_sizeof_headers (abfd, exec)
1468      bfd *abfd ATTRIBUTE_UNUSED;
1469      bfd_boolean exec ATTRIBUTE_UNUSED;
1470 {
1471   return 0;
1472 }
1473 
1474 #define	oasys_close_and_cleanup _bfd_generic_close_and_cleanup
1475 #define oasys_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
1476 
1477 #define oasys_slurp_armap bfd_true
1478 #define oasys_slurp_extended_name_table bfd_true
1479 #define oasys_construct_extended_name_table \
1480   ((bfd_boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
1481    bfd_true)
1482 #define oasys_truncate_arname bfd_dont_truncate_arname
1483 #define oasys_write_armap \
1484   ((bfd_boolean (*) \
1485     PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
1486    bfd_true)
1487 #define oasys_read_ar_hdr bfd_nullvoidptr
1488 #define oasys_get_elt_at_index _bfd_generic_get_elt_at_index
1489 #define oasys_update_armap_timestamp bfd_true
1490 
1491 #define oasys_bfd_is_local_label_name bfd_generic_is_local_label_name
1492 #define oasys_get_lineno _bfd_nosymbols_get_lineno
1493 #define oasys_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
1494 #define oasys_read_minisymbols _bfd_generic_read_minisymbols
1495 #define oasys_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
1496 
1497 #define oasys_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
1498 
1499 #define oasys_set_arch_mach bfd_default_set_arch_mach
1500 
1501 #define oasys_get_section_contents_in_window \
1502   _bfd_generic_get_section_contents_in_window
1503 
1504 #define oasys_bfd_get_relocated_section_contents \
1505   bfd_generic_get_relocated_section_contents
1506 #define oasys_bfd_relax_section bfd_generic_relax_section
1507 #define oasys_bfd_gc_sections bfd_generic_gc_sections
1508 #define oasys_bfd_merge_sections bfd_generic_merge_sections
1509 #define oasys_bfd_discard_group bfd_generic_discard_group
1510 #define oasys_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
1511 #define oasys_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
1512 #define oasys_bfd_link_add_symbols _bfd_generic_link_add_symbols
1513 #define oasys_bfd_link_just_syms _bfd_generic_link_just_syms
1514 #define oasys_bfd_final_link _bfd_generic_final_link
1515 #define oasys_bfd_link_split_section _bfd_generic_link_split_section
1516 
1517 /*SUPPRESS 460 */
1518 const bfd_target oasys_vec =
1519 {
1520   "oasys",			/* name */
1521   bfd_target_oasys_flavour,
1522   BFD_ENDIAN_BIG,		/* target byte order */
1523   BFD_ENDIAN_BIG,		/* target headers byte order */
1524   (HAS_RELOC | EXEC_P |		/* object flags */
1525    HAS_LINENO | HAS_DEBUG |
1526    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
1527   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
1528    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),	/* section flags */
1529   0,				/* leading underscore */
1530   ' ',				/* ar_pad_char */
1531   16,				/* ar_max_namelen */
1532   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1533   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1534   bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* data */
1535   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1536   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1537   bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* hdrs */
1538 
1539   {_bfd_dummy_target,
1540    oasys_object_p,		/* bfd_check_format */
1541    oasys_archive_p,
1542    _bfd_dummy_target,
1543   },
1544   {				/* bfd_set_format */
1545     bfd_false,
1546     oasys_mkobject,
1547     _bfd_generic_mkarchive,
1548     bfd_false
1549   },
1550   {				/* bfd_write_contents */
1551     bfd_false,
1552     oasys_write_object_contents,
1553     _bfd_write_archive_contents,
1554     bfd_false,
1555   },
1556 
1557   BFD_JUMP_TABLE_GENERIC (oasys),
1558   BFD_JUMP_TABLE_COPY (_bfd_generic),
1559   BFD_JUMP_TABLE_CORE (_bfd_nocore),
1560   BFD_JUMP_TABLE_ARCHIVE (oasys),
1561   BFD_JUMP_TABLE_SYMBOLS (oasys),
1562   BFD_JUMP_TABLE_RELOCS (oasys),
1563   BFD_JUMP_TABLE_WRITE (oasys),
1564   BFD_JUMP_TABLE_LINK (oasys),
1565   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
1566 
1567   NULL,
1568 
1569   (PTR) 0
1570 };
1571