1 /* BFD back-end for oasys objects.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2001,
3 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
4 Written by Steve Chamberlain of Cygnus Support, <sac@cygnus.com>.
6 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
22 #define UNDERSCORE_HACK 1
25 #include "safe-ctype.h"
30 /* Read in all the section data and relocation stuff too. */
33 oasys_read_record (bfd *abfd, oasys_record_union_type *record)
35 bfd_size_type amt = sizeof (record->header);
37 if (bfd_bread ((void *) record, amt, abfd) != amt)
40 amt = record->header.length - sizeof (record->header);
43 if (bfd_bread ((void *) ((char *) record + sizeof (record->header)), amt, abfd)
50 oasys_string_length (oasys_record_union_type *record)
52 return record->header.length
53 - ((char *) record->symbol.name - (char *) record);
56 /* Slurp the symbol table by reading in all the records at the start file
57 till we get to the first section record.
59 We'll sort the symbolss into two lists, defined and undefined. The
60 undefined symbols will be placed into the table according to their
63 We do this by placing all undefined symbols at the front of the table
64 moving in, and the defined symbols at the end of the table moving back. */
67 oasys_slurp_symbol_table (bfd *const abfd)
69 oasys_record_union_type record;
70 oasys_data_type *data = OASYS_DATA (abfd);
71 bfd_boolean loop = TRUE;
72 asymbol *dest_defined;
77 if (data->symbols != NULL)
80 /* Buy enough memory for all the symbols and all the names. */
82 amt *= sizeof (asymbol);
83 data->symbols = bfd_alloc (abfd, amt);
85 amt = data->symbol_string_length;
86 #ifdef UNDERSCORE_HACK
87 /* Buy 1 more char for each symbol to keep the underscore in. */
88 amt += abfd->symcount;
90 data->strings = bfd_alloc (abfd, amt);
92 if (!data->symbols || !data->strings)
95 dest_defined = data->symbols + abfd->symcount - 1;
97 string_ptr = data->strings;
98 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
102 if (! oasys_read_record (abfd, &record))
105 switch (record.header.type)
107 case oasys_record_is_header_enum:
109 case oasys_record_is_local_enum:
110 case oasys_record_is_symbol_enum:
112 int flag = record.header.type == (int) oasys_record_is_local_enum ?
113 (BSF_LOCAL) : (BSF_GLOBAL | BSF_EXPORT);
115 size_t length = oasys_string_length (&record);
116 switch (record.symbol.relb & RELOCATION_TYPE_BITS)
118 case RELOCATION_TYPE_ABS:
119 dest = dest_defined--;
120 dest->section = bfd_abs_section_ptr;
124 case RELOCATION_TYPE_REL:
125 dest = dest_defined--;
127 OASYS_DATA (abfd)->sections[record.symbol.relb &
128 RELOCATION_SECT_BITS];
129 if (record.header.type == (int) oasys_record_is_local_enum)
131 dest->flags = BSF_LOCAL;
132 if (dest->section == (asection *) (~0))
134 /* It seems that sometimes internal symbols are tied up, but
135 still get output, even though there is no
143 case RELOCATION_TYPE_UND:
144 dest = data->symbols + H_GET_16 (abfd, record.symbol.refno);
145 dest->section = bfd_und_section_ptr;
147 case RELOCATION_TYPE_COM:
148 dest = dest_defined--;
149 dest->name = string_ptr;
150 dest->the_bfd = abfd;
151 dest->section = bfd_com_section_ptr;
154 dest = dest_defined--;
158 dest->name = string_ptr;
159 dest->the_bfd = abfd;
160 dest->udata.p = NULL;
161 dest->value = H_GET_32 (abfd, record.symbol.value);
163 #ifdef UNDERSCORE_HACK
164 if (record.symbol.name[0] != '_')
170 memcpy (string_ptr, record.symbol.name, length);
172 string_ptr[length] = 0;
173 string_ptr += length + 1;
184 oasys_get_symtab_upper_bound (bfd *const abfd)
186 if (! oasys_slurp_symbol_table (abfd))
189 return (abfd->symcount + 1) * (sizeof (oasys_symbol_type *));
192 extern const bfd_target oasys_vec;
195 oasys_canonicalize_symtab (bfd *abfd, asymbol **location)
198 unsigned int counter;
200 if (! oasys_slurp_symbol_table (abfd))
203 symbase = OASYS_DATA (abfd)->symbols;
204 for (counter = 0; counter < abfd->symcount; counter++)
205 *(location++) = symbase++;
208 return abfd->symcount;
213 static const bfd_target *
214 oasys_archive_p (bfd *abfd)
216 oasys_archive_header_type header;
217 oasys_extarchive_header_type header_ext;
222 amt = sizeof (header_ext);
223 if (bfd_seek (abfd, (file_ptr) 0, 0) != 0
224 || bfd_bread ((void *) &header_ext, amt, abfd) != amt)
226 if (bfd_get_error () != bfd_error_system_call)
227 bfd_set_error (bfd_error_wrong_format);
231 header.version = H_GET_32 (abfd, header_ext.version);
232 header.mod_count = H_GET_32 (abfd, header_ext.mod_count);
233 header.mod_tbl_offset = H_GET_32 (abfd, header_ext.mod_tbl_offset);
234 header.sym_tbl_size = H_GET_32 (abfd, header_ext.sym_tbl_size);
235 header.sym_count = H_GET_32 (abfd, header_ext.sym_count);
236 header.sym_tbl_offset = H_GET_32 (abfd, header_ext.sym_tbl_offset);
237 header.xref_count = H_GET_32 (abfd, header_ext.xref_count);
238 header.xref_lst_offset = H_GET_32 (abfd, header_ext.xref_lst_offset);
240 /* There isn't a magic number in an Oasys archive, so the best we
241 can do to verify reasonableness is to make sure that the values in
242 the header are too weird. */
244 if (header.version > 10000
245 || header.mod_count > 10000
246 || header.sym_count > 100000
247 || header.xref_count > 100000)
250 /* That all worked, let's buy the space for the header and read in
253 oasys_ar_data_type *ar;
254 oasys_module_info_type *module;
255 oasys_module_table_type record;
257 amt = sizeof (oasys_ar_data_type);
258 ar = bfd_alloc (abfd, amt);
260 amt = header.mod_count;
261 amt *= sizeof (oasys_module_info_type);
262 module = bfd_alloc (abfd, amt);
267 abfd->tdata.oasys_ar_data = ar;
269 ar->module_count = header.mod_count;
271 filepos = header.mod_tbl_offset;
272 for (i = 0; i < header.mod_count; i++)
274 if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
277 /* There are two ways of specifying the archive header. */
279 oasys_extmodule_table_type_b_type record_ext;
281 amt = sizeof (record_ext);
282 if (bfd_bread ((void *) &record_ext, amt, abfd) != amt)
285 record.mod_size = H_GET_32 (abfd, record_ext.mod_size);
286 record.file_offset = H_GET_32 (abfd, record_ext.file_offset);
288 record.dep_count = H_GET_32 (abfd, record_ext.dep_count);
289 record.depee_count = H_GET_32 (abfd, record_ext.depee_count);
290 record.sect_count = H_GET_32 (abfd, record_ext.sect_count);
291 record.module_name_size = H_GET_32 (abfd,
292 record_ext.mod_name_length);
294 amt = record.module_name_size;
295 module[i].name = bfd_alloc (abfd, amt + 1);
298 if (bfd_bread ((void *) module[i].name, amt, abfd) != amt)
300 module[i].name[record.module_name_size] = 0;
301 filepos += (sizeof (record_ext)
302 + record.dep_count * 4
303 + record.module_name_size + 1);
306 module[i].size = record.mod_size;
307 module[i].pos = record.file_offset;
315 oasys_mkobject (bfd *abfd)
317 bfd_size_type amt = sizeof (oasys_data_type);
319 abfd->tdata.oasys_obj_data = bfd_alloc (abfd, amt);
321 return abfd->tdata.oasys_obj_data != NULL;
324 /* The howto table is build using the top two bits of a reloc byte to
325 index into it. The bits are PCREL,WORD/LONG. */
327 static reloc_howto_type howto_table[] =
330 HOWTO (0, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "abs16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
331 HOWTO (0, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "abs32", TRUE, 0xffffffff, 0xffffffff, FALSE),
332 HOWTO (0, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "pcrel16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
333 HOWTO (0, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "pcrel32", TRUE, 0xffffffff, 0xffffffff, FALSE)
336 /* Read in all the section data and relocation stuff too. */
339 oasys_slurp_section_data (bfd *const abfd)
341 oasys_record_union_type record;
342 oasys_data_type *data = OASYS_DATA (abfd);
343 bfd_boolean loop = TRUE;
344 oasys_per_section_type *per;
348 /* See if the data has been slurped already. */
349 for (s = abfd->sections; s != NULL; s = s->next)
351 per = oasys_per_section (s);
352 if (per->initialized)
356 if (data->first_data_record == 0)
359 if (bfd_seek (abfd, data->first_data_record, SEEK_SET) != 0)
364 if (! oasys_read_record (abfd, &record))
367 switch (record.header.type)
369 case oasys_record_is_header_enum:
371 case oasys_record_is_data_enum:
373 bfd_byte *src = record.data.data;
374 bfd_byte *end_src = ((bfd_byte *) & record) + record.header.length;
376 bfd_byte *dst_base_ptr;
380 data->sections[record.data.relb & RELOCATION_SECT_BITS];
383 per = oasys_per_section (section);
385 if (! per->initialized)
387 per->data = bfd_zalloc (abfd, section->size);
391 = (oasys_reloc_type **) §ion->relocation;
392 per->had_vma = FALSE;
393 per->initialized = TRUE;
394 section->reloc_count = 0;
395 section->flags = SEC_ALLOC;
398 dst_offset = H_GET_32 (abfd, record.data.addr);
401 /* Take the first vma we see as the base. */
402 section->vma = dst_offset;
406 dst_offset -= section->vma;
408 dst_base_ptr = oasys_per_section (section)->data;
409 dst_ptr = oasys_per_section (section)->data +
413 section->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
415 while (src < end_src)
417 unsigned char mod_byte = *src++;
418 size_t gap = end_src - src;
421 if (mod_byte == 0 && gap >= 8)
436 for (relbit = 1; count-- != 0 && src < end_src; relbit <<= 1)
438 if (relbit & mod_byte)
440 unsigned char reloc = *src;
441 /* This item needs to be relocated. */
442 switch (reloc & RELOCATION_TYPE_BITS)
444 case RELOCATION_TYPE_ABS:
447 case RELOCATION_TYPE_REL:
449 /* Relocate the item relative to the section. */
452 amt = sizeof (oasys_reloc_type);
453 r = bfd_alloc (abfd, amt);
456 *(per->reloc_tail_ptr) = r;
457 per->reloc_tail_ptr = &r->next;
459 /* Reference to undefined symbol. */
461 /* There is no symbol. */
463 /* Work out the howto. */
465 r->relent.address = dst_ptr - dst_base_ptr;
466 r->relent.howto = &howto_table[reloc >> 6];
467 r->relent.sym_ptr_ptr = NULL;
468 section->reloc_count++;
470 /* Fake up the data to look like
471 it's got the -ve pc in it, this
472 makes it much easier to convert
473 into other formats. This is done
474 by hitting the addend. */
475 if (r->relent.howto->pc_relative)
476 r->relent.addend -= dst_ptr - dst_base_ptr;
480 case RELOCATION_TYPE_UND:
484 amt = sizeof (oasys_reloc_type);
485 r = bfd_alloc (abfd, amt);
488 *(per->reloc_tail_ptr) = r;
489 per->reloc_tail_ptr = &r->next;
491 /* Reference to undefined symbol. */
493 /* Get symbol number. */
494 r->symbol = (src[0] << 8) | src[1];
495 /* Work out the howto. */
498 r->relent.addend = 0;
499 r->relent.address = dst_ptr - dst_base_ptr;
500 r->relent.howto = &howto_table[reloc >> 6];
501 r->relent.sym_ptr_ptr = NULL;
502 section->reloc_count++;
505 /* Fake up the data to look like
506 it's got the -ve pc in it, this
507 makes it much easier to convert
508 into other formats. This is done
509 by hitting the addend. */
510 if (r->relent.howto->pc_relative)
511 r->relent.addend -= dst_ptr - dst_base_ptr;
514 case RELOCATION_TYPE_COM:
524 case oasys_record_is_local_enum:
525 case oasys_record_is_symbol_enum:
526 case oasys_record_is_section_enum:
539 static const bfd_target *
540 oasys_object_p (bfd *abfd)
542 oasys_data_type *oasys;
543 oasys_data_type *save = OASYS_DATA (abfd);
544 bfd_boolean loop = TRUE;
545 bfd_boolean had_usefull = FALSE;
547 abfd->tdata.oasys_obj_data = 0;
548 oasys_mkobject (abfd);
549 oasys = OASYS_DATA (abfd);
550 memset ((void *) oasys->sections, 0xff, sizeof (oasys->sections));
552 /* Point to the start of the file. */
553 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
555 oasys->symbol_string_length = 0;
557 /* Inspect the records, but only keep the section info -
558 remember the size of the symbols. */
559 oasys->first_data_record = 0;
562 oasys_record_union_type record;
563 if (! oasys_read_record (abfd, &record))
565 if ((size_t) record.header.length < (size_t) sizeof (record.header))
568 switch ((oasys_record_enum_type) (record.header.type))
570 case oasys_record_is_header_enum:
573 case oasys_record_is_symbol_enum:
574 case oasys_record_is_local_enum:
575 /* Count symbols and remember their size for a future malloc. */
577 oasys->symbol_string_length += 1 + oasys_string_length (&record);
580 case oasys_record_is_section_enum:
584 unsigned int section_number;
586 if (record.section.header.length != sizeof (record.section))
589 buffer = bfd_alloc (abfd, (bfd_size_type) 3);
592 section_number = record.section.relb & RELOCATION_SECT_BITS;
593 sprintf (buffer, "%u", section_number);
594 s = bfd_make_section (abfd, buffer);
595 oasys->sections[section_number] = s;
596 switch (record.section.relb & RELOCATION_TYPE_BITS)
598 case RELOCATION_TYPE_ABS:
599 case RELOCATION_TYPE_REL:
601 case RELOCATION_TYPE_UND:
602 case RELOCATION_TYPE_COM:
606 s->size = H_GET_32 (abfd, record.section.value);
607 s->vma = H_GET_32 (abfd, record.section.vma);
612 case oasys_record_is_data_enum:
613 oasys->first_data_record = bfd_tell (abfd) - record.header.length;
614 case oasys_record_is_debug_enum:
615 case oasys_record_is_module_enum:
616 case oasys_record_is_named_section_enum:
617 case oasys_record_is_end_enum:
626 oasys->symbols = NULL;
628 /* Oasys support several architectures, but I can't see a simple way
629 to discover which one is in a particular file - we'll guess. */
630 bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
631 if (abfd->symcount != 0)
632 abfd->flags |= HAS_SYMS;
634 /* We don't know if a section has data until we've read it. */
635 oasys_slurp_section_data (abfd);
640 (void) bfd_release (abfd, oasys);
641 abfd->tdata.oasys_obj_data = save;
647 oasys_get_symbol_info (bfd *ignore_abfd ATTRIBUTE_UNUSED,
651 bfd_symbol_info (symbol, ret);
653 if (!symbol->section)
654 ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
658 oasys_print_symbol (bfd *abfd, void * afile, asymbol *symbol, bfd_print_symbol_type how)
660 FILE *file = (FILE *) afile;
664 case bfd_print_symbol_name:
665 case bfd_print_symbol_more:
666 fprintf (file, "%s", symbol->name);
668 case bfd_print_symbol_all:
670 const char *section_name = symbol->section == NULL ?
671 (const char *) "*abs" : symbol->section->name;
673 bfd_print_symbol_vandf (abfd, (void *) file, symbol);
675 fprintf (file, " %-5s %s",
684 oasys_new_section_hook (bfd *abfd, asection *newsect)
686 newsect->used_by_bfd = bfd_alloc (abfd, (bfd_size_type) sizeof (oasys_per_section_type));
687 if (!newsect->used_by_bfd)
689 oasys_per_section (newsect)->data = NULL;
690 oasys_per_section (newsect)->section = newsect;
691 oasys_per_section (newsect)->offset = 0;
692 oasys_per_section (newsect)->initialized = FALSE;
693 newsect->alignment_power = 1;
695 /* Turn the section string into an index. */
696 sscanf (newsect->name, "%u", &newsect->target_index);
703 oasys_get_reloc_upper_bound (bfd *abfd, sec_ptr asect)
705 if (! oasys_slurp_section_data (abfd))
707 return (asect->reloc_count + 1) * sizeof (arelent *);
711 oasys_get_section_contents (bfd *abfd,
717 oasys_per_section_type *p = oasys_per_section (section);
719 oasys_slurp_section_data (abfd);
721 if (! p->initialized)
722 (void) memset (location, 0, (size_t) count);
724 (void) memcpy (location, (void *) (p->data + offset), (size_t) count);
730 oasys_canonicalize_reloc (bfd *ignore_abfd ATTRIBUTE_UNUSED,
733 asymbol **symbols ATTRIBUTE_UNUSED)
735 unsigned int reloc_count = 0;
736 oasys_reloc_type *src = (oasys_reloc_type *) (section->relocation);
742 return section->reloc_count = reloc_count;
748 /* Calculate the checksum and write one record. */
751 oasys_write_record (bfd *abfd,
752 oasys_record_enum_type type,
753 oasys_record_union_type *record,
760 record->header.length = size;
761 record->header.type = (int) type;
762 record->header.check_sum = 0;
763 record->header.fill = 0;
764 ptr = (unsigned char *) &record->pad[0];
766 for (i = 0; i < size; i++)
768 record->header.check_sum = 0xff & (-checksum);
769 if (bfd_bwrite ((void *) record, (bfd_size_type) size, abfd) != size)
775 /* Write out all the symbols. */
778 oasys_write_syms (bfd *abfd)
781 asymbol **generic = bfd_get_outsymbols (abfd);
782 unsigned int index = 0;
784 for (count = 0; count < bfd_get_symcount (abfd); count++)
786 oasys_symbol_record_type symbol;
787 asymbol *const g = generic[count];
788 const char *src = g->name;
789 char *dst = symbol.name;
792 if (bfd_is_com_section (g->section))
794 symbol.relb = RELOCATION_TYPE_COM;
795 H_PUT_16 (abfd, index, symbol.refno);
798 else if (bfd_is_abs_section (g->section))
800 symbol.relb = RELOCATION_TYPE_ABS;
801 H_PUT_16 (abfd, 0, symbol.refno);
803 else if (bfd_is_und_section (g->section))
805 symbol.relb = RELOCATION_TYPE_UND;
806 H_PUT_16 (abfd, index, symbol.refno);
807 /* Overload the value field with the output index number */
810 else if (g->flags & BSF_DEBUGGING)
815 if (g->section == NULL)
816 /* Sometime, the oasys tools give out a symbol with illegal
817 bits in it, we'll output it in the same broken way. */
818 symbol.relb = RELOCATION_TYPE_REL | 0;
820 symbol.relb = RELOCATION_TYPE_REL | g->section->output_section->target_index;
822 H_PUT_16 (abfd, 0, symbol.refno);
825 #ifdef UNDERSCORE_HACK
835 H_PUT_32 (abfd, g->value, symbol.value);
837 if (g->flags & BSF_LOCAL)
839 if (! oasys_write_record (abfd,
840 oasys_record_is_local_enum,
841 (oasys_record_union_type *) & symbol,
842 offsetof (oasys_symbol_record_type,
848 if (! oasys_write_record (abfd,
849 oasys_record_is_symbol_enum,
850 (oasys_record_union_type *) & symbol,
851 offsetof (oasys_symbol_record_type,
855 g->value = index - 1;
861 /* Write a section header for each section. */
864 oasys_write_sections (bfd *abfd)
867 static oasys_section_record_type out;
869 for (s = abfd->sections; s != NULL; s = s->next)
871 if (!ISDIGIT (s->name[0]))
873 (*_bfd_error_handler)
874 (_("%s: can not represent section `%s' in oasys"),
875 bfd_get_filename (abfd), s->name);
876 bfd_set_error (bfd_error_nonrepresentable_section);
879 out.relb = RELOCATION_TYPE_REL | s->target_index;
880 H_PUT_32 (abfd, s->size, out.value);
881 H_PUT_32 (abfd, s->vma, out.vma);
883 if (! oasys_write_record (abfd,
884 oasys_record_is_section_enum,
885 (oasys_record_union_type *) & out,
893 oasys_write_header (bfd *abfd)
895 /* Create and write the header. */
896 oasys_header_record_type r;
897 size_t length = strlen (abfd->filename);
899 if (length > (size_t) sizeof (r.module_name))
900 length = sizeof (r.module_name);
902 (void) memcpy (r.module_name, abfd->filename, length);
903 (void) memset (r.module_name + length, ' ', sizeof (r.module_name) - length);
905 r.version_number = OASYS_VERSION_NUMBER;
906 r.rev_number = OASYS_REV_NUMBER;
908 return oasys_write_record (abfd, oasys_record_is_header_enum,
909 (oasys_record_union_type *) & r,
910 offsetof (oasys_header_record_type,
915 oasys_write_end (bfd *abfd)
917 oasys_end_record_type end;
918 unsigned char null = 0;
920 end.relb = RELOCATION_TYPE_ABS;
921 H_PUT_32 (abfd, abfd->start_address, end.entry);
922 H_PUT_16 (abfd, 0, end.fill);
924 if (! oasys_write_record (abfd,
925 oasys_record_is_end_enum,
926 (oasys_record_union_type *) & end,
930 return bfd_bwrite ((void *) &null, (bfd_size_type) 1, abfd) == 1;
934 comp (const void * ap, const void * bp)
936 arelent *a = *((arelent **) ap);
937 arelent *b = *((arelent **) bp);
939 return a->address - b->address;
943 oasys_write_data (bfd *abfd)
947 for (s = abfd->sections; s != NULL; s = s->next)
949 if (s->flags & SEC_LOAD)
951 bfd_byte *raw_data = oasys_per_section (s)->data;
952 oasys_data_record_type processed_data;
953 bfd_size_type current_byte_index = 0;
954 unsigned int relocs_to_go = s->reloc_count;
955 arelent **p = s->orelocation;
957 if (s->reloc_count != 0)
958 /* Sort the reloc records so it's easy to insert the relocs into the
960 qsort (s->orelocation, s->reloc_count, sizeof (arelent **), comp);
962 current_byte_index = 0;
963 processed_data.relb = s->target_index | RELOCATION_TYPE_REL;
965 while (current_byte_index < s->size)
967 /* Scan forwards by eight bytes or however much is left and see if
968 there are any relocations going on. */
969 bfd_byte *mod = &processed_data.data[0];
970 bfd_byte *dst = &processed_data.data[1];
975 H_PUT_32 (abfd, s->vma + current_byte_index,
976 processed_data.addr);
978 /* Don't start a relocation unless you're sure you can finish it
979 within the same data record. The worst case relocation is a
980 4-byte relocatable value which is split across two modification
981 bytes (1 relocation byte + 2 symbol reference bytes + 2 data +
982 1 modification byte + 2 data = 8 bytes total). That's where
983 the magic number 8 comes from. */
984 while (current_byte_index < s->size && dst <=
985 & processed_data.data[sizeof (processed_data.data) - 8])
987 if (relocs_to_go != 0)
991 /* There is a relocation, is it for this byte ? */
992 if (r->address == current_byte_index)
996 /* If this is coming from an unloadable section then copy
998 if (raw_data == NULL)
1001 *dst++ = *raw_data++;
1009 current_byte_index++;
1012 /* Don't write a useless null modification byte. */
1016 if (! (oasys_write_record
1017 (abfd, oasys_record_is_data_enum,
1018 ((oasys_record_union_type *) &processed_data),
1019 (size_t) (dst - (bfd_byte *) &processed_data))))
1029 oasys_write_object_contents (bfd *abfd)
1031 if (! oasys_write_header (abfd))
1033 if (! oasys_write_syms (abfd))
1035 if (! oasys_write_sections (abfd))
1037 if (! oasys_write_data (abfd))
1039 if (! oasys_write_end (abfd))
1044 /* Set section contents is complicated with OASYS since the format is
1045 not a byte image, but a record stream. */
1048 oasys_set_section_contents (bfd *abfd,
1050 const void * location,
1052 bfd_size_type count)
1056 if (oasys_per_section (section)->data == NULL)
1058 oasys_per_section (section)->data = bfd_alloc (abfd, section->size);
1059 if (!oasys_per_section (section)->data)
1062 (void) memcpy ((void *) (oasys_per_section (section)->data + offset),
1063 location, (size_t) count);
1070 /* Native-level interface to symbols. */
1072 /* We read the symbols into a buffer, which is discarded when this
1073 function exits. We read the strings into a buffer large enough to
1074 hold them all plus all the cached symbol entries. */
1077 oasys_make_empty_symbol (bfd *abfd)
1079 bfd_size_type amt = sizeof (oasys_symbol_type);
1080 oasys_symbol_type *new = bfd_zalloc (abfd, amt);
1084 new->symbol.the_bfd = abfd;
1085 return &new->symbol;
1088 /* User should have checked the file flags; perhaps we should return
1089 BFD_NO_MORE_SYMBOLS if there are none? */
1092 oasys_openr_next_archived_file (bfd *arch, bfd *prev)
1094 oasys_ar_data_type *ar = OASYS_AR_DATA (arch);
1095 oasys_module_info_type *p;
1097 /* Take the next one from the arch state, or reset. */
1099 /* Reset the index - the first two entries are bogus. */
1100 ar->module_index = 0;
1102 p = ar->module + ar->module_index;
1105 if (ar->module_index <= ar->module_count)
1107 if (p->abfd == NULL)
1109 p->abfd = _bfd_create_empty_archive_element_shell (arch);
1110 p->abfd->origin = p->pos;
1111 p->abfd->filename = p->name;
1113 /* Fixup a pointer to this element for the member. */
1114 p->abfd->arelt_data = (void *) p;
1119 bfd_set_error (bfd_error_no_more_archived_files);
1124 oasys_find_nearest_line (bfd *abfd ATTRIBUTE_UNUSED,
1125 asection *section ATTRIBUTE_UNUSED,
1126 asymbol **symbols ATTRIBUTE_UNUSED,
1127 bfd_vma offset ATTRIBUTE_UNUSED,
1128 const char **filename_ptr ATTRIBUTE_UNUSED,
1129 const char **functionname_ptr ATTRIBUTE_UNUSED,
1130 unsigned int *line_ptr ATTRIBUTE_UNUSED)
1136 oasys_find_inliner_info (bfd *abfd ATTRIBUTE_UNUSED,
1137 const char **filename_ptr ATTRIBUTE_UNUSED,
1138 const char **functionname_ptr ATTRIBUTE_UNUSED,
1139 unsigned int *line_ptr ATTRIBUTE_UNUSED)
1145 oasys_generic_stat_arch_elt (bfd *abfd, struct stat *buf)
1147 oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data;
1151 bfd_set_error (bfd_error_invalid_operation);
1155 buf->st_size = mod->size;
1156 buf->st_mode = 0666;
1161 oasys_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean exec ATTRIBUTE_UNUSED)
1166 #define oasys_close_and_cleanup _bfd_generic_close_and_cleanup
1167 #define oasys_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
1168 #define oasys_slurp_armap bfd_true
1169 #define oasys_slurp_extended_name_table bfd_true
1170 #define oasys_construct_extended_name_table ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_true)
1171 #define oasys_truncate_arname bfd_dont_truncate_arname
1172 #define oasys_write_armap ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) bfd_true)
1173 #define oasys_read_ar_hdr bfd_nullvoidptr
1174 #define oasys_get_elt_at_index _bfd_generic_get_elt_at_index
1175 #define oasys_update_armap_timestamp bfd_true
1176 #define oasys_bfd_is_local_label_name bfd_generic_is_local_label_name
1177 #define oasys_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
1178 #define oasys_get_lineno _bfd_nosymbols_get_lineno
1179 #define oasys_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
1180 #define oasys_read_minisymbols _bfd_generic_read_minisymbols
1181 #define oasys_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
1182 #define oasys_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
1183 #define oasys_set_arch_mach bfd_default_set_arch_mach
1184 #define oasys_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
1185 #define oasys_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
1186 #define oasys_bfd_relax_section bfd_generic_relax_section
1187 #define oasys_bfd_gc_sections bfd_generic_gc_sections
1188 #define oasys_bfd_merge_sections bfd_generic_merge_sections
1189 #define oasys_bfd_is_group_section bfd_generic_is_group_section
1190 #define oasys_bfd_discard_group bfd_generic_discard_group
1191 #define oasys_section_already_linked _bfd_generic_section_already_linked
1192 #define oasys_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
1193 #define oasys_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
1194 #define oasys_bfd_link_add_symbols _bfd_generic_link_add_symbols
1195 #define oasys_bfd_link_just_syms _bfd_generic_link_just_syms
1196 #define oasys_bfd_final_link _bfd_generic_final_link
1197 #define oasys_bfd_link_split_section _bfd_generic_link_split_section
1199 const bfd_target oasys_vec =
1201 "oasys", /* Name. */
1202 bfd_target_oasys_flavour,
1203 BFD_ENDIAN_BIG, /* Target byte order. */
1204 BFD_ENDIAN_BIG, /* Target headers byte order. */
1205 (HAS_RELOC | EXEC_P | /* Object flags. */
1206 HAS_LINENO | HAS_DEBUG |
1207 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
1208 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
1209 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
1210 0, /* Leading underscore. */
1211 ' ', /* AR_pad_char. */
1212 16, /* AR_max_namelen. */
1213 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1214 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1215 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
1216 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1217 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1218 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */
1221 oasys_object_p, /* bfd_check_format. */
1225 { /* bfd_set_format. */
1228 _bfd_generic_mkarchive,
1231 { /* bfd_write_contents. */
1233 oasys_write_object_contents,
1234 _bfd_write_archive_contents,
1238 BFD_JUMP_TABLE_GENERIC (oasys),
1239 BFD_JUMP_TABLE_COPY (_bfd_generic),
1240 BFD_JUMP_TABLE_CORE (_bfd_nocore),
1241 BFD_JUMP_TABLE_ARCHIVE (oasys),
1242 BFD_JUMP_TABLE_SYMBOLS (oasys),
1243 BFD_JUMP_TABLE_RELOCS (oasys),
1244 BFD_JUMP_TABLE_WRITE (oasys),
1245 BFD_JUMP_TABLE_LINK (oasys),
1246 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),