1 /* BFD back-end for VMS archive files.
3 Copyright 2010 Free Software Foundation, Inc.
4 Written by Tristan Gingold <gingold@adacore.com>, AdaCore.
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 3 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,
21 MA 02110-1301, USA. */
26 #include "safe-ctype.h"
32 /* The standard VMS disk block size. */
33 #ifndef VMS_BLOCK_SIZE
34 #define VMS_BLOCK_SIZE 512
37 /* Maximum key length (which is also the maximum symbol length in archive). */
38 #define MAX_KEYLEN 129
44 unsigned char min_char;
45 unsigned char max_char;
51 /* Kind of library. Used to filter in archive_p. */
61 /* Back-end private data. */
65 /* Standard tdata for an archive. But we don't use many fields. */
66 struct artdata artdata;
71 /* Type of the archive. */
74 /* Kind of archive. Summary of its type. */
75 enum vms_lib_kind kind;
77 /* Total size of the mhd (element header). */
78 unsigned int mhd_size;
81 unsigned int credat_lo;
82 unsigned int credat_hi;
84 /* Vector of modules (archive elements), already sorted. */
85 unsigned int nbr_modules;
86 struct carsym *modules;
89 /* DCX (decompression) data. */
90 unsigned int nbr_dcxsbm;
91 struct dcxsbm_desc *dcxsbm;
94 #define bfd_libdata(bfd) ((struct lib_tdata *)((bfd)->tdata.any))
96 /* End-Of-Text pattern. This is a special record to mark the end of file. */
98 static const unsigned char eotdesc[] = { 0x03, 0x00, 0x77, 0x00, 0x77, 0x00 };
100 /* Describe the current state of carsym entries while building the archive
101 table of content. Things are simple with Alpha archives as the number
102 of entries is known, but with IA64 archives a entry can make a reference
103 to severals members. Therefore we must be able to extend the table on the
104 fly, but it should be allocated on the bfd - which doesn't support realloc.
105 To reduce the overhead, the table is initially allocated in the BFD's
106 objalloc and extended if necessary on the heap. In the later case, it
107 is finally copied to the BFD's objalloc so that it will automatically be
112 /* The table of content. */
115 /* Number of entries used in the table. */
118 /* Maximum number of entries. */
121 /* If true, the table was reallocated on the heap. If false, it is still
122 in the BFD's objalloc. */
123 bfd_boolean realloced;
126 /* Simply add a name to the index. */
129 vms_add_index (struct carsym_mem *cs, char *name,
130 unsigned int idx_vbn, unsigned int idx_off)
132 if (cs->nbr == cs->max)
136 cs->max = 2 * cs->max + 32;
140 n = bfd_malloc2 (cs->max, sizeof (struct carsym));
143 memcpy (n, cs->idx, cs->nbr * sizeof (struct carsym));
144 /* And unfortunately we can't free cs->idx. */
148 n = bfd_realloc_or_free (cs->idx, cs->nbr * sizeof (struct carsym));
153 cs->realloced = TRUE;
155 cs->idx[cs->nbr].file_offset = (idx_vbn - 1) * VMS_BLOCK_SIZE + idx_off;
156 cs->idx[cs->nbr].name = name;
161 /* Follow all member of a lns list (pointed by RFA) and add indexes for
162 NAME. Return FALSE in case of error. */
165 vms_add_indexes_from_list (bfd *abfd, struct carsym_mem *cs, char *name,
174 vbn = bfd_getl32 (rfa->vbn);
179 off = (vbn - 1) * VMS_BLOCK_SIZE + bfd_getl16 (rfa->offset);
180 if (bfd_seek (abfd, off, SEEK_SET) != 0
181 || bfd_bread (&lns, sizeof (lns), abfd) != sizeof (lns))
184 if (!vms_add_index (cs, name,
185 bfd_getl32 (lns.modrfa.vbn),
186 bfd_getl16 (lns.modrfa.offset)))
193 /* Read block VBN from ABFD and store it into BLK. Return FALSE in case of error. */
196 vms_read_block (bfd *abfd, unsigned int vbn, void *blk)
200 off = (vbn - 1) * VMS_BLOCK_SIZE;
201 if (bfd_seek (abfd, off, SEEK_SET) != 0
202 || bfd_bread (blk, VMS_BLOCK_SIZE, abfd) != VMS_BLOCK_SIZE)
208 /* Write the content of BLK to block VBN of ABFD. Return FALSE in case of error. */
211 vms_write_block (bfd *abfd, unsigned int vbn, void *blk)
215 off = (vbn - 1) * VMS_BLOCK_SIZE;
216 if (bfd_seek (abfd, off, SEEK_SET) != 0
217 || bfd_bwrite (blk, VMS_BLOCK_SIZE, abfd) != VMS_BLOCK_SIZE)
223 /* Read index block VBN and put the entry in **IDX (which is updated).
224 If the entry is indirect, recurse. */
227 vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs)
229 struct vms_indexdef indexdef;
234 /* Read the index block. */
235 BFD_ASSERT (sizeof (indexdef) == VMS_BLOCK_SIZE);
236 if (!vms_read_block (abfd, vbn, &indexdef))
240 p = &indexdef.keys[0];
241 endp = p + bfd_getl16 (indexdef.used);
244 unsigned int idx_vbn;
245 unsigned int idx_off;
247 unsigned char *keyname;
250 /* Extract key length. */
251 if (bfd_libdata (abfd)->ver == LBR_MAJORID)
253 struct vms_idx *ridx = (struct vms_idx *)p;
255 idx_vbn = bfd_getl32 (ridx->rfa.vbn);
256 idx_off = bfd_getl16 (ridx->rfa.offset);
258 keylen = ridx->keylen;
260 keyname = ridx->keyname;
262 else if (bfd_libdata (abfd)->ver == LBR_ELFMAJORID)
264 struct vms_elfidx *ridx = (struct vms_elfidx *)p;
266 idx_vbn = bfd_getl32 (ridx->rfa.vbn);
267 idx_off = bfd_getl16 (ridx->rfa.offset);
269 keylen = bfd_getl16 (ridx->keylen);
271 keyname = ridx->keyname;
280 if (idx_off == RFADEF__C_INDEX)
282 /* Indirect entry. Recurse. */
283 if (!vms_traverse_index (abfd, idx_vbn, cs))
288 /* Add a new entry. */
291 if (flags & ELFIDX__SYMESC)
293 /* Extended key name. */
294 unsigned int noff = 0;
298 unsigned char kblk[VMS_BLOCK_SIZE];
301 if (keylen != sizeof (struct vms_kbn))
304 kbn = (struct vms_kbn *)keyname;
305 keylen = bfd_getl16 (kbn->keylen);
307 name = bfd_alloc (abfd, keylen + 1);
310 kvbn = bfd_getl32 (kbn->rfa.vbn);
311 koff = bfd_getl16 (kbn->rfa.offset);
313 /* Read the key, chunk by chunk. */
318 if (!vms_read_block (abfd, kvbn, kblk))
320 kbn = (struct vms_kbn *)(kblk + koff);
321 klen = bfd_getl16 (kbn->keylen);
322 kvbn = bfd_getl32 (kbn->rfa.vbn);
323 koff = bfd_getl16 (kbn->rfa.offset);
325 memcpy (name + noff, kbn + 1, klen);
336 /* Usual key name. */
337 name = bfd_alloc (abfd, keylen + 1);
341 memcpy (name, keyname, keylen);
345 if (flags & ELFIDX__LISTRFA)
350 off = (idx_vbn - 1) * VMS_BLOCK_SIZE + idx_off;
351 if (bfd_seek (abfd, off, SEEK_SET) != 0
352 || bfd_bread (&lhs, sizeof (lhs), abfd) != sizeof (lhs))
355 /* FIXME: this adds extra entries that were not accounted. */
356 if (!vms_add_indexes_from_list (abfd, cs, name, &lhs.ng_g_rfa))
358 if (!vms_add_indexes_from_list (abfd, cs, name, &lhs.ng_wk_rfa))
360 if (!vms_add_indexes_from_list (abfd, cs, name, &lhs.g_g_rfa))
362 if (!vms_add_indexes_from_list (abfd, cs, name, &lhs.g_wk_rfa))
367 if (!vms_add_index (cs, name, idx_vbn, idx_off))
372 /* Point to the next index entry. */
373 p = keyname + keylen;
379 /* Read index #IDX, which must have NBREL entries. */
381 static struct carsym *
382 vms_lib_read_index (bfd *abfd, int idx, unsigned int *nbrel)
387 struct carsym *csbuf;
388 struct carsym_mem csm;
390 /* Read index desription. */
391 if (bfd_seek (abfd, LHD_IDXDESC + idx * IDD_LENGTH, SEEK_SET) != 0
392 || bfd_bread (&idd, sizeof (idd), abfd) != sizeof (idd))
396 flags = bfd_getl16 (idd.flags);
397 if (!(flags & IDD__FLAGS_ASCII)
398 || !(flags & IDD__FLAGS_VARLENIDX))
401 csbuf = bfd_alloc (abfd, *nbrel * sizeof (struct carsym));
407 csm.realloced = FALSE;
410 /* Note: if the index is empty, there is no block to traverse. */
411 vbn = bfd_getl32 (idd.vbn);
412 if (vbn != 0 && !vms_traverse_index (abfd, vbn, &csm))
414 if (csm.realloced && csm.idx != NULL)
417 /* Note: in case of error, we can free what was allocated on the
419 bfd_release (abfd, csbuf);
425 /* There are more entries than the first estimate. Allocate on
426 the BFD's objalloc. */
427 csbuf = bfd_alloc (abfd, csm.nbr * sizeof (struct carsym));
430 memcpy (csbuf, csm.idx, csm.nbr * sizeof (struct carsym));
437 /* Standard function. */
439 static const bfd_target *
440 _bfd_vms_lib_archive_p (bfd *abfd, enum vms_lib_kind kind)
444 unsigned int majorid;
445 struct lib_tdata *tdata_hold;
446 struct lib_tdata *tdata;
448 unsigned int nbr_ent;
451 if (bfd_bread (&lhd, sizeof (lhd), abfd) != sizeof (lhd))
453 if (bfd_get_error () != bfd_error_system_call)
454 bfd_set_error (bfd_error_wrong_format);
458 /* Check sanity (= magic) number. */
459 sanity = bfd_getl32 (lhd.sanity);
460 if (!(sanity == LHD_SANEID3
461 || sanity == LHD_SANEID6
462 || sanity == LHD_SANEID_DCX))
464 bfd_set_error (bfd_error_wrong_format);
467 majorid = bfd_getl32 (lhd.majorid);
469 /* Check archive kind. */
473 if ((lhd.type != LBR__C_TYP_EOBJ && lhd.type != LBR__C_TYP_ESHSTB)
474 || majorid != LBR_MAJORID
477 bfd_set_error (bfd_error_wrong_format);
482 if ((lhd.type != LBR__C_TYP_IOBJ && lhd.type != LBR__C_TYP_ISHSTB)
483 || majorid != LBR_ELFMAJORID
486 bfd_set_error (bfd_error_wrong_format);
491 if ((lhd.type != LBR__C_TYP_TXT
492 && lhd.type != LBR__C_TYP_MLB
493 && lhd.type != LBR__C_TYP_HLP)
494 || majorid != LBR_MAJORID
497 bfd_set_error (bfd_error_wrong_format);
505 /* Allocate and initialize private data. */
506 tdata_hold = bfd_libdata (abfd);
507 tdata = (struct lib_tdata *) bfd_zalloc (abfd, sizeof (struct lib_tdata));
510 abfd->tdata.any = (void *)tdata;
511 tdata->ver = majorid;
512 tdata->mhd_size = MHD__C_USRDAT + lhd.mhdusz;
513 tdata->type = lhd.type;
515 tdata->credat_lo = bfd_getl32 (lhd.credat + 0);
516 tdata->credat_hi = bfd_getl32 (lhd.credat + 4);
519 tdata->nbr_modules = bfd_getl32 (lhd.modcnt);
520 tdata->artdata.symdef_count = bfd_getl32 (lhd.idxcnt) - tdata->nbr_modules;
521 nbr_ent = tdata->nbr_modules;
522 tdata->modules = vms_lib_read_index (abfd, 0, &nbr_ent);
523 if (tdata->modules == NULL || nbr_ent != tdata->nbr_modules)
527 nbr_ent = tdata->artdata.symdef_count;
528 tdata->artdata.symdefs = vms_lib_read_index (abfd, 1, &nbr_ent);
529 if (tdata->artdata.symdefs == NULL)
531 /* Only IA64 archives may have more entries in the index that what
533 if (nbr_ent != tdata->artdata.symdef_count
534 && kind != vms_lib_ia64)
536 tdata->artdata.symdef_count = nbr_ent;
538 tdata->cache = bfd_zalloc (abfd, sizeof (bfd *) * tdata->nbr_modules);
539 if (tdata->cache == NULL)
542 /* Read DCX submaps. */
543 dcxvbn = bfd_getl32 (lhd.dcxmapvbn);
546 unsigned char buf_reclen[4];
549 struct vms_dcxmap *map;
550 unsigned int sbm_off;
553 if (bfd_seek (abfd, (dcxvbn - 1) * VMS_BLOCK_SIZE, SEEK_SET) != 0
554 || bfd_bread (buf_reclen, sizeof (buf_reclen), abfd)
555 != sizeof (buf_reclen))
557 reclen = bfd_getl32 (buf_reclen);
558 buf = bfd_malloc (reclen);
561 if (bfd_bread (buf, reclen, abfd) != reclen)
566 map = (struct vms_dcxmap *)buf;
567 tdata->nbr_dcxsbm = bfd_getl16 (map->nsubs);
568 sbm_off = bfd_getl16 (map->sub0);
569 tdata->dcxsbm = (struct dcxsbm_desc *)bfd_alloc
570 (abfd, tdata->nbr_dcxsbm * sizeof (struct dcxsbm_desc));
571 for (i = 0; i < tdata->nbr_dcxsbm; i++)
573 struct vms_dcxsbm *sbm = (struct vms_dcxsbm *) (buf + sbm_off);
574 struct dcxsbm_desc *sbmdesc = &tdata->dcxsbm[i];
575 unsigned int sbm_len;
578 unsigned char *data = (unsigned char *)sbm;
582 sbm_sz = bfd_getl16 (sbm->size);
584 BFD_ASSERT (sbm_off <= reclen);
586 sbmdesc->min_char = sbm->min_char;
587 BFD_ASSERT (sbmdesc->min_char == 0);
588 sbmdesc->max_char = sbm->max_char;
589 sbm_len = sbmdesc->max_char - sbmdesc->min_char + 1;
590 l = (2 * sbm_len + 7) / 8;
592 (sbm_sz >= sizeof (struct vms_dcxsbm) + l + 3 * sbm_len
593 || (tdata->nbr_dcxsbm == 1
594 && sbm_sz >= sizeof (struct vms_dcxsbm) + l + sbm_len));
595 sbmdesc->flags = (unsigned char *)bfd_alloc (abfd, l);
596 memcpy (sbmdesc->flags, data + bfd_getl16 (sbm->flags), l);
597 sbmdesc->nodes = (unsigned char *)bfd_alloc (abfd, 2 * sbm_len);
598 memcpy (sbmdesc->nodes, data + bfd_getl16 (sbm->nodes), 2 * sbm_len);
599 off = bfd_getl16 (sbm->next);
602 /* Read the 'next' array. */
603 sbmdesc->next = (unsigned short *)bfd_alloc
604 (abfd, sbm_len * sizeof (unsigned short));
606 for (j = 0; j < sbm_len; j++)
607 sbmdesc->next[j] = bfd_getl16 (buf1 + j * 2);
611 /* There is no next array if there is only one submap. */
612 BFD_ASSERT (tdata->nbr_dcxsbm == 1);
613 sbmdesc->next = NULL;
620 tdata->nbr_dcxsbm = 0;
623 /* The map is always present. Also mark shared image library. */
624 abfd->has_armap = TRUE;
625 if (tdata->type == LBR__C_TYP_ESHSTB || tdata->type == LBR__C_TYP_ISHSTB)
626 abfd->is_thin_archive = TRUE;
631 bfd_release (abfd, tdata);
632 abfd->tdata.any = (void *)tdata_hold;;
636 /* Standard function for alpha libraries. */
639 _bfd_vms_lib_alpha_archive_p (bfd *abfd)
641 return _bfd_vms_lib_archive_p (abfd, vms_lib_alpha);
644 /* Standard function for ia64 libraries. */
647 _bfd_vms_lib_ia64_archive_p (bfd *abfd)
649 return _bfd_vms_lib_archive_p (abfd, vms_lib_ia64);
652 /* Standard function for text libraries. */
654 static const bfd_target *
655 _bfd_vms_lib_txt_archive_p (bfd *abfd)
657 return _bfd_vms_lib_archive_p (abfd, vms_lib_txt);
660 /* Standard bfd function. */
663 _bfd_vms_lib_mkarchive (bfd *abfd, enum vms_lib_kind kind)
665 struct lib_tdata *tdata;
667 tdata = (struct lib_tdata *) bfd_zalloc (abfd, sizeof (struct lib_tdata));
671 abfd->tdata.any = (void *)tdata;
672 vms_get_time (&tdata->credat_hi, &tdata->credat_lo);
678 tdata->ver = LBR_MAJORID;
679 tdata->mhd_size = offsetof (struct vms_mhd, pad1);
680 tdata->type = LBR__C_TYP_EOBJ;
683 tdata->ver = LBR_ELFMAJORID;
684 tdata->mhd_size = sizeof (struct vms_mhd);
685 tdata->type = LBR__C_TYP_IOBJ;
691 tdata->nbr_modules = 0;
692 tdata->artdata.symdef_count = 0;
693 tdata->modules = NULL;
694 tdata->artdata.symdefs = NULL;
701 _bfd_vms_lib_alpha_mkarchive (bfd *abfd)
703 return _bfd_vms_lib_mkarchive (abfd, vms_lib_alpha);
707 _bfd_vms_lib_ia64_mkarchive (bfd *abfd)
709 return _bfd_vms_lib_mkarchive (abfd, vms_lib_ia64);
712 /* Find NAME in the symbol index. Return the index. */
715 _bfd_vms_lib_find_symbol (bfd *abfd, const char *name)
717 struct lib_tdata *tdata = bfd_libdata (abfd);
718 carsym *syms = tdata->artdata.symdefs;
721 /* Open-coded binary search for speed. */
723 hi = tdata->artdata.symdef_count - 1;
727 int mid = lo + (hi - lo) / 2;
730 diff = (char)(name[0] - syms[mid].name[0]);
732 diff = strcmp (name, syms[mid].name);
740 return BFD_NO_MORE_SYMBOLS;
743 /* IO vector for archive member. Need that because members are not linearly
744 stored in archives. */
748 /* Current offset. */
751 /* Length of the module, when known. */
754 /* Current position in the record from bfd_bread point of view (ie, after
755 decompression). 0 means that no data byte have been read, -2 and -1
756 are reserved for the length word. */
758 #define REC_POS_NL -4
759 #define REC_POS_PAD -3
760 #define REC_POS_LEN0 -2
761 #define REC_POS_LEN1 -1
764 unsigned short rec_len;
765 /* Number of bytes to read in the current record. */
766 unsigned short rec_rem;
767 /* Offset of the next block. */
769 /* Current *data* offset in the data block. */
770 unsigned short blk_off;
772 /* Offset of the first block. Extracted from the index. */
773 file_ptr first_block;
775 /* Initial next_block. Extracted when the MHD is read. */
776 file_ptr init_next_block;
777 /* Initial blk_off, once the MHD is read. */
778 unsigned short init_blk_off;
780 /* Used to store any 3 byte record, which could be the EOF pattern. */
781 unsigned char pattern[4];
784 struct dcxsbm_desc *dcxsbms;
785 /* Current submap. */
786 struct dcxsbm_desc *dcx_sbm;
787 /* Current offset in the submap. */
788 unsigned int dcx_offset;
791 /* Compressed buffer. */
792 unsigned char *dcx_buf;
793 /* Size of the buffer. Used to resize. */
794 unsigned int dcx_max;
795 /* Number of valid bytes in the buffer. */
796 unsigned int dcx_rlen;
799 /* Return the current position. */
802 vms_lib_btell (struct bfd *abfd)
804 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
808 /* Read the header of the next data block if all bytes of the current block
812 vms_lib_read_block (struct bfd *abfd)
814 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
816 if (vec->blk_off == DATA__LENGTH)
818 unsigned char hdr[DATA__DATA];
820 /* Read next block. */
821 if (bfd_seek (abfd->my_archive, vec->next_block, SEEK_SET) != 0)
823 if (bfd_bread (hdr, sizeof (hdr), abfd->my_archive) != sizeof (hdr))
825 vec->next_block = (bfd_getl32 (hdr + 2) - 1) * VMS_BLOCK_SIZE;
826 vec->blk_off = sizeof (hdr);
831 /* Read NBYTES from ABFD into BUF if not NULL. If BUF is NULL, bytes are
832 not stored. Read linearly from the library, but handle blocks. This
833 function does not handle records nor EOF. */
836 vms_lib_bread_raw (struct bfd *abfd, unsigned char *buf, file_ptr nbytes)
838 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
846 /* Be sure the current data block is read. */
847 if (!vms_lib_read_block (abfd))
850 /* Do not read past the data block, do not read more than requested. */
851 l = DATA__LENGTH - vec->blk_off;
858 /* Really read into BUF. */
859 if (bfd_bread (buf, l, abfd->my_archive) != l)
864 /* Make as if we are reading. */
865 if (bfd_seek (abfd->my_archive, l, SEEK_CUR) != 0)
878 /* Decompress NBYTES from VEC. Store the bytes into BUF if not NULL. */
881 vms_lib_dcx (struct vms_lib_iovec *vec, unsigned char *buf, file_ptr nbytes)
883 struct dcxsbm_desc *sbm;
889 /* The loop below expect to deliver at least one byte. */
893 /* Get the current state. */
895 offset = vec->dcx_offset;
896 j = vec->dcx_pos & 7;
898 for (i = vec->dcx_pos >> 3; i < vec->dcx_rlen; i++)
900 unsigned char b = vec->dcx_buf[i];
906 if (!(sbm->flags[offset >> 3] & (1 << (offset & 7))))
908 unsigned int n_offset = sbm->nodes[offset];
911 /* End of buffer. Stay where we are. */
912 vec->dcx_pos = (i << 3) + j;
915 vec->dcx_offset = offset;
919 offset = 2 * n_offset;
923 unsigned char v = sbm->nodes[offset];
925 if (sbm->next != NULL)
926 sbm = vec->dcxsbms + sbm->next[v];
937 vec->dcx_pos = (i << 3) + j + 1;
938 vec->dcx_offset = offset;
951 /* Standard IOVEC function. */
954 vms_lib_bread (struct bfd *abfd, void *vbuf, file_ptr nbytes)
956 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
959 unsigned char *buf = (unsigned char *)vbuf;
961 /* Do not read past the end. */
962 if (vec->where >= vec->file_len)
968 if (vec->rec_rem == 0)
970 unsigned char blen[2];
972 /* Read record length. */
973 if (vms_lib_bread_raw (abfd, blen, sizeof (blen)) != sizeof (blen))
975 vec->rec_len = bfd_getl16 (blen);
976 if (bfd_libdata (abfd->my_archive)->kind == vms_lib_txt)
978 /* Discard record size and align byte. */
980 vec->rec_rem = vec->rec_len;
984 /* Prepend record size. */
985 vec->rec_pos = REC_POS_LEN0;
986 vec->rec_rem = (vec->rec_len + 1) & ~1; /* With align byte. */
988 if (vec->rec_len == 3)
990 /* Possibly end of file. Check the pattern. */
991 if (vms_lib_bread_raw (abfd, vec->pattern, 4) != 4)
993 if (!memcmp (vec->pattern, eotdesc + 2, 3))
995 /* This is really an EOF. */
997 vec->file_len = vec->where;
1002 if (vec->dcxsbms != NULL)
1004 /* This is a compressed member. */
1008 /* Be sure there is enough room for the expansion. */
1009 len = (vec->rec_len + 1) & ~1;
1010 if (len > vec->dcx_max)
1012 while (len > vec->dcx_max)
1014 vec->dcx_buf = bfd_alloc (abfd, vec->dcx_max);
1015 if (vec->dcx_buf == NULL)
1019 /* Read the compressed record. */
1020 vec->dcx_rlen = len;
1021 if (vec->rec_len == 3)
1024 memcpy (vec->dcx_buf, vec->pattern, 3);
1028 elen = vms_lib_bread_raw (abfd, vec->dcx_buf, len);
1033 /* Dummy expansion to get the expanded length. */
1034 vec->dcx_offset = 0;
1035 vec->dcx_sbm = vec->dcxsbms;
1037 elen = vms_lib_dcx (vec, NULL, 0x10000);
1040 vec->rec_len = elen;
1041 vec->rec_rem = elen;
1043 /* Reset the state. */
1044 vec->dcx_offset = 0;
1045 vec->dcx_sbm = vec->dcxsbms;
1049 if (vec->rec_pos < 0)
1052 switch (vec->rec_pos)
1055 c = vec->rec_len & 0xff;
1056 vec->rec_pos = REC_POS_LEN1;
1059 c = (vec->rec_len >> 8) & 0xff;
1083 if (nbytes > vec->rec_rem)
1084 chunk = vec->rec_rem;
1088 if (vec->dcxsbms != NULL)
1090 /* Optimize the stat() case: no need to decompress again as we
1092 if (!(buf == NULL && chunk == vec->rec_rem))
1093 chunk = vms_lib_dcx (vec, buf, chunk);
1097 if (vec->rec_len == 3)
1100 memcpy (buf, vec->pattern + vec->rec_pos, chunk);
1103 chunk = vms_lib_bread_raw (abfd, buf, chunk);
1111 vec->rec_pos += chunk;
1112 vec->rec_rem -= chunk;
1114 if (vec->rec_rem == 0)
1116 /* End of record reached. */
1117 if (bfd_libdata (abfd->my_archive)->kind == vms_lib_txt)
1119 if ((vec->rec_len & 1) == 1
1120 && vec->rec_len != 3
1121 && vec->dcxsbms == NULL)
1123 /* Eat the pad byte. */
1125 if (vms_lib_bread_raw (abfd, &pad, 1) != 1)
1128 vec->rec_pos = REC_POS_NL;
1133 if ((vec->rec_len & 1) == 1 && vec->dcxsbms != NULL)
1135 vec->rec_pos = REC_POS_PAD;
1145 /* Standard function, but we currently only handle the rewind case. */
1148 vms_lib_bseek (struct bfd *abfd, file_ptr offset, int whence)
1150 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
1152 if (whence == SEEK_SET && offset == 0)
1157 vec->blk_off = vec->init_blk_off;
1158 vec->next_block = vec->init_next_block;
1160 if (bfd_seek (abfd->my_archive, vec->first_block, SEEK_SET) != 0)
1169 vms_lib_bwrite (struct bfd *abfd ATTRIBUTE_UNUSED,
1170 const void *where ATTRIBUTE_UNUSED,
1171 file_ptr nbytes ATTRIBUTE_UNUSED)
1177 vms_lib_bclose (struct bfd *abfd)
1179 abfd->iostream = NULL;
1184 vms_lib_bflush (struct bfd *abfd ATTRIBUTE_UNUSED)
1190 vms_lib_bstat (struct bfd *abfd ATTRIBUTE_UNUSED,
1191 struct stat *sb ATTRIBUTE_UNUSED)
1193 /* Not supported. */
1198 vms_lib_bmmap (struct bfd *abfd ATTRIBUTE_UNUSED,
1199 void *addr ATTRIBUTE_UNUSED,
1200 bfd_size_type len ATTRIBUTE_UNUSED,
1201 int prot ATTRIBUTE_UNUSED,
1202 int flags ATTRIBUTE_UNUSED,
1203 file_ptr offset ATTRIBUTE_UNUSED)
1208 static const struct bfd_iovec vms_lib_iovec = {
1209 &vms_lib_bread, &vms_lib_bwrite, &vms_lib_btell, &vms_lib_bseek,
1210 &vms_lib_bclose, &vms_lib_bflush, &vms_lib_bstat, &vms_lib_bmmap
1213 /* Open a library module. FILEPOS is the position of the module header. */
1216 vms_lib_bopen (bfd *el, file_ptr filepos)
1218 struct vms_lib_iovec *vec;
1219 unsigned char buf[256];
1220 struct vms_mhd *mhd;
1221 struct lib_tdata *tdata = bfd_libdata (el->my_archive);
1224 /* Allocate and initialized the iovec. */
1225 vec = bfd_zalloc (el, sizeof (*vec));
1230 el->iovec = &vms_lib_iovec;
1232 /* File length is not known. */
1235 /* Read the first data block. */
1236 vec->next_block = filepos & ~(VMS_BLOCK_SIZE - 1);
1237 vec->blk_off = DATA__LENGTH;
1238 if (!vms_lib_read_block (el))
1241 /* Prepare to read the first record. */
1242 vec->blk_off = filepos & (VMS_BLOCK_SIZE - 1);
1244 if (bfd_seek (el->my_archive, filepos, SEEK_SET) != 0)
1247 /* Read Record length + MHD + align byte. */
1248 len = tdata->mhd_size;
1249 if (vms_lib_bread_raw (el, buf, 2) != 2)
1251 if (bfd_getl16 (buf) != len)
1253 len = (len + 1) & ~1;
1254 BFD_ASSERT (len <= sizeof (buf));
1255 if (vms_lib_bread_raw (el, buf, len) != len)
1258 /* Get info from mhd. */
1259 mhd = (struct vms_mhd *)buf;
1261 if (mhd->id != MHD__C_MHDID)
1263 if (len >= MHD__C_MHDLEN + 1)
1264 el->selective_search = (mhd->objstat & MHD__M_SELSRC) ? 1 : 0;
1265 el->mtime = vms_rawtime_to_time_t (mhd->datim);
1266 el->mtime_set = TRUE;
1268 /* Reinit the iovec so that seek() will point to the first record after
1271 vec->init_blk_off = vec->blk_off;
1272 vec->init_next_block = vec->next_block;
1273 vec->first_block = bfd_tell (el->my_archive);
1274 vec->dcxsbms = bfd_libdata (el->my_archive)->dcxsbm;
1276 if (vec->dcxsbms != NULL)
1279 vec->dcx_max = 10 * 1024;
1280 vec->dcx_buf = bfd_alloc (el, vec->dcx_max);
1282 if (vec->dcx_buf == NULL)
1288 /* Get member MODIDX. Return NULL in case of error. */
1291 _bfd_vms_lib_get_module (bfd *abfd, unsigned int modidx)
1293 struct lib_tdata *tdata = bfd_libdata (abfd);
1298 if (modidx >= tdata->nbr_modules)
1301 /* Already loaded. */
1302 if (tdata->cache[modidx])
1303 return tdata->cache[modidx];
1306 file_off = tdata->modules[modidx].file_offset;
1307 if (tdata->type != LBR__C_TYP_IOBJ)
1309 res = _bfd_create_empty_archive_element_shell (abfd);
1313 /* Special reader to deal with data blocks. */
1314 if (!vms_lib_bopen (res, file_off))
1320 struct vms_mhd *mhd;
1321 struct areltdata *arelt;
1323 /* Sanity check. The MHD must be big enough to contain module size. */
1324 if (tdata->mhd_size < offsetof (struct vms_mhd, modsize) + 4)
1327 /* Read the MHD now. */
1328 if (bfd_seek (abfd, file_off, SEEK_SET) != 0)
1330 if (bfd_bread (buf, tdata->mhd_size, abfd) != tdata->mhd_size)
1333 res = _bfd_create_empty_archive_element_shell (abfd);
1336 arelt = bfd_zalloc (res, sizeof (*arelt));
1339 res->arelt_data = arelt;
1341 /* Get info from mhd. */
1342 mhd = (struct vms_mhd *)buf;
1343 if (mhd->id != MHD__C_MHDID)
1345 if (tdata->mhd_size >= offsetof (struct vms_mhd, objstat) + 1)
1346 res->selective_search = (mhd->objstat & MHD__M_SELSRC) ? 1 : 0;
1347 res->mtime = vms_rawtime_to_time_t (mhd->datim);
1348 res->mtime_set = TRUE;
1350 arelt->parsed_size = bfd_getl32 (mhd->modsize);
1352 /* No need for a special reader as members are stored linearly.
1353 Just skip the MHD. */
1354 res->origin = file_off + tdata->mhd_size;
1357 res->filename = tdata->modules[modidx].name;
1359 tdata->cache[modidx] = res;
1364 /* Standard function: get member at IDX. */
1367 _bfd_vms_lib_get_elt_at_index (bfd *abfd, symindex symidx)
1369 struct lib_tdata *tdata = bfd_libdata (abfd);
1371 unsigned int modidx;
1374 if (symidx > tdata->artdata.symdef_count)
1376 file_off = tdata->artdata.symdefs[symidx].file_offset;
1379 for (modidx = 0; modidx < tdata->nbr_modules; modidx++)
1381 if (tdata->modules[modidx].file_offset == file_off)
1384 if (modidx >= tdata->nbr_modules)
1387 return _bfd_vms_lib_get_module (abfd, modidx);
1390 /* Elements of an imagelib are stubs. You can get the real image with this
1394 _bfd_vms_lib_get_imagelib_file (bfd *el)
1396 bfd *archive = el->my_archive;
1397 const char *modname = el->filename;
1398 int modlen = strlen (modname);
1403 /* Convert module name to lower case and append '.exe'. */
1404 filename = bfd_alloc (el, modlen + 5);
1405 if (filename == NULL)
1407 for (j = 0; j < modlen; j++)
1408 if (ISALPHA (modname[j]))
1409 filename[j] = TOLOWER (modname[j]);
1411 filename[j] = modname[j];
1412 memcpy (filename + modlen, ".exe", 5);
1414 filename = _bfd_append_relative_path (archive, filename);
1415 if (filename == NULL)
1417 res = bfd_openr (filename, NULL);
1421 (*_bfd_error_handler)(_("could not open shared image '%s' from '%s'"),
1422 filename, archive->filename);
1423 bfd_release (archive, filename);
1427 /* FIXME: put it in a cache ? */
1431 /* Standard function. */
1434 _bfd_vms_lib_openr_next_archived_file (bfd *archive,
1443 idx = last_file->proxy_origin + 1;
1445 if (idx >= bfd_libdata (archive)->nbr_modules)
1447 bfd_set_error (bfd_error_no_more_archived_files);
1451 res = _bfd_vms_lib_get_module (archive, idx);
1454 res->proxy_origin = idx;
1458 /* Standard function. Just compute the length. */
1461 _bfd_vms_lib_generic_stat_arch_elt (bfd *abfd, struct stat *st)
1463 struct lib_tdata *tdata;
1466 if (abfd->my_archive == NULL)
1468 bfd_set_error (bfd_error_invalid_operation);
1472 tdata = bfd_libdata (abfd->my_archive);
1473 if (tdata->type != LBR__C_TYP_IOBJ)
1475 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
1477 if (vec->file_len == (ufile_ptr)-1)
1479 if (vms_lib_bseek (abfd, 0, SEEK_SET) != 0)
1482 /* Compute length. */
1483 while (vms_lib_bread (abfd, NULL, 1 << 20) > 0)
1486 st->st_size = vec->file_len;
1490 st->st_size = ((struct areltdata *)abfd->arelt_data)->parsed_size;
1493 if (abfd->mtime_set)
1494 st->st_mtime = abfd->mtime;
1504 /* Internal representation of an index entry. */
1508 /* Corresponding archive member. */
1511 /* Number of reference to this entry. */
1514 /* Length of the key. */
1515 unsigned short namlen;
1521 /* Used to sort index entries. */
1524 lib_index_cmp (const void *lv, const void *rv)
1526 const struct lib_index *l = lv;
1527 const struct lib_index *r = rv;
1529 return strcmp (l->name, r->name);
1532 /* Maximum number of index blocks level. */
1534 #define MAX_LEVEL 10
1536 /* Get the size of an index entry. */
1539 get_idxlen (struct lib_index *idx, bfd_boolean is_elfidx)
1543 if (idx->namlen > MAX_KEYLEN)
1544 return 9 + sizeof (struct vms_rfa);
1546 return 9 + idx->namlen;
1549 return 7 + idx->namlen;
1552 /* Write the index. VBN is the first vbn to be used, and will contain
1553 on return the last vbn.
1554 Return TRUE on success. */
1557 vms_write_index (bfd *abfd,
1558 struct lib_index *idx, unsigned int nbr, unsigned int *vbn,
1559 unsigned int *topvbn, bfd_boolean is_elfidx)
1564 struct vms_indexdef *rblk[MAX_LEVEL];
1569 unsigned short lastlen;
1572 /* The kbn blocks are used to store long symbol names. */
1573 unsigned int kbn_sz = 0; /* Number of bytes availble in the kbn block. */
1574 unsigned int kbn_vbn = 0; /* VBN of the kbn block. */
1575 unsigned char *kbn_blk = NULL; /* Contents of the kbn block. */
1579 /* No entries. Very easy to handle. */
1587 /* Sort the index the first time this function is called. */
1588 qsort (idx, nbr, sizeof (struct lib_index), lib_index_cmp);
1591 /* Allocate first index block. */
1594 rblk[0] = bfd_zmalloc (sizeof (struct vms_indexdef));
1595 blk[0].vbn = (*vbn)++;
1599 for (i = 0; i < nbr; i++, idx++)
1601 unsigned int idxlen;
1603 unsigned int key_vbn = 0;
1604 unsigned int key_off = 0;
1606 idxlen = get_idxlen (idx, is_elfidx);
1608 if (is_elfidx && idx->namlen >= MAX_KEYLEN)
1610 /* If the name is too long, write it in the kbn block. */
1611 unsigned int kl = idx->namlen;
1612 unsigned int kl_chunk;
1613 const char *key = idx->name;
1615 /* Write the name in the kbn, chunk after chunk. */
1618 if (kbn_sz < sizeof (struct vms_kbn))
1620 /* Not enough room in the kbn block. */
1623 /* Write it to the disk (if there is one). */
1626 if (vms_write_block (abfd, kbn_vbn, kbn_blk) != TRUE)
1631 kbn_blk = bfd_malloc (VMS_BLOCK_SIZE);
1632 if (kbn_blk == NULL)
1635 *(unsigned short *)kbn_blk = 0;
1638 kbn_sz = VMS_BLOCK_SIZE - 2;
1640 if (kl + sizeof (struct vms_kbn) > kbn_sz)
1641 kl_chunk = kbn_sz - sizeof (struct vms_kbn);
1645 if (kbn_blk != NULL)
1647 struct vms_kbn *kbn;
1649 kbn = (struct vms_kbn *)(kbn_blk + VMS_BLOCK_SIZE - kbn_sz);
1653 /* Save the rfa of the first chunk. */
1655 key_off = VMS_BLOCK_SIZE - kbn_sz;
1658 bfd_putl16 (kl_chunk, kbn->keylen);
1661 /* No next chunk. */
1662 bfd_putl32 (0, kbn->rfa.vbn);
1663 bfd_putl16 (0, kbn->rfa.offset);
1667 /* Next chunk will be at the start of the next block. */
1668 bfd_putl32 (*vbn, kbn->rfa.vbn);
1669 bfd_putl16 (2, kbn->rfa.offset);
1671 memcpy ((char *)(kbn + 1), key, kl_chunk);
1675 kl_chunk = (kl_chunk + 1) & ~1; /* Always align. */
1676 kbn_sz -= kl_chunk + sizeof (struct vms_kbn);
1681 /* Check if a block might overflow. In this case we will flush this
1682 block and all the blocks below it. */
1683 for (j = 0; j < level; j++)
1684 if (blk[j].len + blk[j].lastlen + idxlen > INDEXDEF__BLKSIZ)
1687 for (j = 0; j < level; j++)
1691 /* There is not enough room to write the new entry in this
1692 block or in a parent block. */
1696 BFD_ASSERT (level < MAX_LEVEL);
1698 /* Need to create a parent. */
1701 rblk[level] = bfd_zmalloc (sizeof (struct vms_indexdef));
1702 bfd_putl32 (*vbn, rblk[j]->parent);
1704 blk[level].vbn = (*vbn)++;
1706 blk[level].lastlen = 0;
1711 /* Update parent block: write the new entry. */
1714 struct vms_rfa *rfa;
1716 /* Copy the whole entry. */
1717 memcpy (rblk[j + 1]->keys + blk[j + 1].len,
1718 rblk[j]->keys + blk[j].len,
1720 /* Fix the entry (which in always the first field of an
1722 rfa = (struct vms_rfa *)(rblk[j + 1]->keys + blk[j + 1].len);
1723 bfd_putl32 (blk[j].vbn, rfa->vbn);
1724 bfd_putl16 (RFADEF__C_INDEX, rfa->offset);
1729 /* And allocate it. Do it only on the block that won't be
1730 flushed (so that the parent of the parent can be
1732 blk[j + 1].len += blk[j].lastlen;
1733 blk[j + 1].lastlen = 0;
1736 /* Write this block on the disk. */
1739 bfd_putl16 (blk[j].len + blk[j].lastlen, rblk[j]->used);
1740 if (vms_write_block (abfd, blk[j].vbn, rblk[j]) != TRUE)
1744 /* Reset this block. */
1747 blk[j].vbn = (*vbn)++;
1750 /* Append it to the block. */
1753 blk[j].len += blk[j].lastlen;
1757 struct vms_rfa *rfa;
1759 rfa = (struct vms_rfa *)(rblk[j]->keys + blk[j].len);
1760 bfd_putl32 ((idx->abfd->proxy_origin / VMS_BLOCK_SIZE) + 1,
1763 ((idx->abfd->proxy_origin % VMS_BLOCK_SIZE)
1764 + (is_elfidx ? 0 : DATA__DATA),
1769 /* Use elfidx format. */
1770 struct vms_elfidx *en = (struct vms_elfidx *)rfa;
1775 /* Long symbol name. */
1776 struct vms_kbn *k = (struct vms_kbn *)(en->keyname);
1777 bfd_putl16 (sizeof (struct vms_kbn), en->keylen);
1778 bfd_putl16 (idx->namlen, k->keylen);
1779 bfd_putl32 (key_vbn, k->rfa.vbn);
1780 bfd_putl16 (key_off, k->rfa.offset);
1781 en->flags |= ELFIDX__SYMESC;
1785 bfd_putl16 (idx->namlen, en->keylen);
1786 memcpy (en->keyname, idx->name, idx->namlen);
1791 /* Use idx format. */
1792 struct vms_idx *en = (struct vms_idx *)rfa;
1793 en->keylen = idx->namlen;
1794 memcpy (en->keyname, idx->name, idx->namlen);
1799 blk[j].lastlen = idxlen;
1804 *topvbn = blk[level - 1].vbn;
1810 for (j = level - 1; j >= 0; j--)
1814 /* Update parent block: write the new entry. */
1817 struct vms_rfa *rfa;
1819 en = rblk[j - 1]->keys + blk[j - 1].len;
1820 par = rblk[j]->keys + blk[j].len;
1821 memcpy (par, en, blk[j - 1].lastlen);
1822 rfa = (struct vms_rfa *)par;
1823 bfd_putl32 (blk[j - 1].vbn, rfa->vbn);
1824 bfd_putl16 (RFADEF__C_INDEX, rfa->offset);
1827 /* Write this block on the disk. */
1828 bfd_putl16 (blk[j].len + blk[j].lastlen, rblk[j]->used);
1829 if (vms_write_block (abfd, blk[j].vbn, rblk[j]) != TRUE)
1837 if (vms_write_block (abfd, kbn_vbn, kbn_blk) != TRUE)
1844 /* Append data to the data block DATA. Force write if PAD is true. */
1847 vms_write_data_block (bfd *arch, struct vms_datadef *data, file_ptr *off,
1848 const unsigned char *buf, unsigned int len, int pad)
1850 while (len > 0 || pad)
1852 unsigned int doff = *off & (VMS_BLOCK_SIZE - 1);
1853 unsigned int remlen = (DATA__LENGTH - DATA__DATA) - doff;
1856 l = (len > remlen) ? remlen : len;
1857 memcpy (data->data + doff, buf, l);
1863 if (doff == (DATA__LENGTH - DATA__DATA) || (len == 0 && pad))
1867 bfd_putl32 ((*off / VMS_BLOCK_SIZE) + 2, data->link);
1869 if (bfd_bwrite (data, sizeof (*data), arch) != sizeof (*data))
1872 *off += DATA__LENGTH - doff;
1881 /* Build the symbols index. */
1884 _bfd_vms_lib_build_map (unsigned int nbr_modules,
1885 struct lib_index *modules,
1886 unsigned int *res_cnt,
1887 struct lib_index **res)
1890 asymbol **syms = NULL;
1892 struct lib_index *map = NULL;
1893 unsigned int map_max = 1024; /* Fine initial default. */
1894 unsigned int map_count = 0;
1896 map = (struct lib_index *) bfd_malloc (map_max * sizeof (struct lib_index));
1900 /* Gather symbols. */
1901 for (i = 0; i < nbr_modules; i++)
1906 bfd *current = modules[i].abfd;
1908 if ((bfd_get_file_flags (current) & HAS_SYMS) == 0)
1911 storage = bfd_get_symtab_upper_bound (current);
1917 if (storage > syms_max)
1922 syms = (asymbol **) bfd_malloc (syms_max);
1926 symcount = bfd_canonicalize_symtab (current, syms);
1930 /* Now map over all the symbols, picking out the ones we
1932 for (src_count = 0; src_count < symcount; src_count++)
1934 flagword flags = (syms[src_count])->flags;
1935 asection *sec = syms[src_count]->section;
1937 if ((flags & BSF_GLOBAL
1939 || flags & BSF_INDIRECT
1940 || bfd_is_com_section (sec))
1941 && ! bfd_is_und_section (sec))
1943 struct lib_index *new_map;
1945 /* This symbol will go into the archive header. */
1946 if (map_count == map_max)
1949 new_map = (struct lib_index *)
1950 bfd_realloc (map, map_max * sizeof (struct lib_index));
1951 if (new_map == NULL)
1956 map[map_count].abfd = current;
1957 map[map_count].namlen = strlen (syms[src_count]->name);
1958 map[map_count].name = syms[src_count]->name;
1966 *res_cnt = map_count;
1978 /* Do the hard work: write an archive on the disk. */
1981 _bfd_vms_lib_write_archive_contents (bfd *arch)
1984 unsigned int nbr_modules;
1985 struct lib_index *modules;
1986 unsigned int nbr_symbols;
1987 struct lib_index *symbols;
1988 struct lib_tdata *tdata = bfd_libdata (arch);
1991 unsigned int nbr_mod_iblk;
1992 unsigned int nbr_sym_iblk;
1994 unsigned int mod_idx_vbn;
1995 unsigned int sym_idx_vbn;
1996 bfd_boolean is_elfidx = tdata->kind == vms_lib_ia64;
1998 /* Count the number of modules (and do a first sanity check). */
2000 for (current = arch->archive_head;
2002 current = current->archive_next)
2004 /* This check is checking the bfds for the objects we're reading
2005 from (which are usually either an object file or archive on
2006 disk), not the archive entries we're writing to. We don't
2007 actually create bfds for the archive members, we just copy
2008 them byte-wise when we write out the archive. */
2009 if (bfd_write_p (current) || !bfd_check_format (current, bfd_object))
2011 bfd_set_error (bfd_error_invalid_operation);
2018 /* Build the modules list. */
2019 BFD_ASSERT (tdata->modules == NULL);
2020 modules = bfd_alloc (arch, nbr_modules * sizeof (struct lib_index));
2021 if (modules == NULL)
2024 for (current = arch->archive_head, i = 0;
2026 current = current->archive_next, i++)
2030 modules[i].abfd = current;
2031 modules[i].name = vms_get_module_name (current->filename, FALSE);
2034 /* FIXME: silently truncate long names ? */
2035 nl = strlen (modules[i].name);
2036 modules[i].namlen = (nl > MAX_KEYLEN ? MAX_KEYLEN : nl);
2039 /* Create the module index. */
2041 if (!vms_write_index (NULL, modules, nbr_modules, &vbn, NULL, is_elfidx))
2045 /* Create symbol index. */
2046 if (!_bfd_vms_lib_build_map (nbr_modules, modules, &nbr_symbols, &symbols))
2050 if (!vms_write_index (NULL, symbols, nbr_symbols, &vbn, NULL, is_elfidx))
2054 /* Write modules and remember their position. */
2055 off = (1 + nbr_mod_iblk + nbr_sym_iblk) * VMS_BLOCK_SIZE;
2057 if (bfd_seek (arch, off, SEEK_SET) != 0)
2060 for (i = 0; i < nbr_modules; i++)
2062 struct vms_datadef data;
2063 unsigned char blk[VMS_BLOCK_SIZE];
2064 struct vms_mhd *mhd;
2067 current = modules[i].abfd;
2068 current->proxy_origin = off;
2074 /* Write the MHD as a record (ie, size first). */
2076 bfd_putl16 (tdata->mhd_size, blk);
2078 mhd = (struct vms_mhd *)(blk + sz);
2079 memset (mhd, 0, sizeof (struct vms_mhd));
2081 mhd->id = MHD__C_MHDID;
2083 memcpy (mhd->objid, "V1.0", 4);
2084 bfd_putl32 (modules[i].ref, mhd->refcnt);
2087 sz += tdata->mhd_size;
2090 /* Rewind the member to be put into the archive. */
2091 if (bfd_seek (current, 0, SEEK_SET) != 0)
2094 /* Copy the member into the archive. */
2097 unsigned int modsize = 0;
2099 file_ptr off_hdr = off;
2101 /* Read to complete the first block. */
2102 amt = bfd_bread (blk + sz, VMS_BLOCK_SIZE - sz, current);
2103 if (amt == (bfd_size_type)-1)
2106 if (amt < VMS_BLOCK_SIZE - sz)
2108 /* The member size is less than a block. Pad the block. */
2109 memset (blk + sz + amt, 0, VMS_BLOCK_SIZE - sz - amt);
2111 bfd_putl32 (modsize, mhd->modsize);
2113 /* Write the first block (which contains an mhd). */
2114 if (bfd_bwrite (blk, VMS_BLOCK_SIZE, arch) != VMS_BLOCK_SIZE)
2116 off += VMS_BLOCK_SIZE;
2118 if (amt == VMS_BLOCK_SIZE - sz)
2120 /* Copy the remaining. */
2121 char buffer[DEFAULT_BUFFERSIZE];
2125 amt = bfd_bread (buffer, sizeof (buffer), current);
2126 if (amt == (bfd_size_type)-1)
2131 if (amt != sizeof (buffer))
2133 /* Clear the padding. */
2134 memset (buffer + amt, 0, sizeof (buffer) - amt);
2135 amt = (amt + VMS_BLOCK_SIZE) & ~(VMS_BLOCK_SIZE - 1);
2137 if (bfd_bwrite (buffer, amt, arch) != amt)
2142 /* Now that the size is known, write the first block (again). */
2143 bfd_putl32 (modsize, mhd->modsize);
2144 if (bfd_seek (arch, off_hdr, SEEK_SET) != 0
2145 || bfd_bwrite (blk, VMS_BLOCK_SIZE, arch) != VMS_BLOCK_SIZE)
2147 if (bfd_seek (arch, off, SEEK_SET) != 0)
2153 /* Write the MHD. */
2154 if (vms_write_data_block (arch, &data, &off, blk, sz, 0) < 0)
2157 /* Write the member. */
2160 sz = bfd_bread (blk, sizeof (blk), current);
2163 if (vms_write_data_block (arch, &data, &off, blk, sz, 0) < 0)
2167 /* Write the end of module marker. */
2168 if (vms_write_data_block (arch, &data, &off,
2169 eotdesc, sizeof (eotdesc), 1) < 0)
2174 /* Write the indexes. */
2176 if (vms_write_index (arch, modules, nbr_modules, &vbn, &mod_idx_vbn,
2179 if (vms_write_index (arch, symbols, nbr_symbols, &vbn, &sym_idx_vbn,
2183 /* Write libary header. */
2185 unsigned char blk[VMS_BLOCK_SIZE];
2186 struct vms_lhd *lhd = (struct vms_lhd *)blk;
2187 struct vms_idd *idd = (struct vms_idd *)(blk + sizeof (*lhd));
2188 unsigned int idd_flags;
2189 unsigned int saneid;
2191 memset (blk, 0, sizeof (blk));
2193 lhd->type = tdata->type;
2195 switch (tdata->kind)
2198 saneid = LHD_SANEID3;
2201 saneid = LHD_SANEID6;
2206 bfd_putl32 (saneid, lhd->sanity);
2207 bfd_putl16 (tdata->ver, lhd->majorid);
2208 bfd_putl16 (0, lhd->minorid);
2209 snprintf ((char *)lhd->lbrver + 1, sizeof (lhd->lbrver) - 1,
2211 (unsigned)(BFD_VERSION / 100000000UL),
2212 (unsigned)(BFD_VERSION / 1000000UL) % 100,
2213 (unsigned)(BFD_VERSION / 10000UL) % 100);
2214 lhd->lbrver[sizeof (lhd->lbrver) - 1] = 0;
2215 lhd->lbrver[0] = strlen ((char *)lhd->lbrver + 1);
2217 bfd_putl32 (tdata->credat_lo, lhd->credat + 0);
2218 bfd_putl32 (tdata->credat_hi, lhd->credat + 4);
2219 vms_raw_get_time (lhd->updtim);
2221 lhd->mhdusz = tdata->mhd_size - MHD__C_USRDAT;
2223 bfd_putl32 (nbr_modules + nbr_symbols, lhd->idxcnt);
2224 bfd_putl32 (nbr_modules, lhd->modcnt);
2225 bfd_putl32 (nbr_modules, lhd->modhdrs);
2227 bfd_putl32 (vbn - 1, lhd->hipreal);
2228 bfd_putl32 (vbn - 1, lhd->hiprusd);
2230 /* First index (modules name). */
2231 idd_flags = IDD__FLAGS_ASCII | IDD__FLAGS_VARLENIDX
2232 | IDD__FLAGS_NOCASECMP | IDD__FLAGS_NOCASENTR;
2233 bfd_putl16 (idd_flags, idd->flags);
2234 bfd_putl16 (MAX_KEYLEN, idd->keylen);
2235 bfd_putl16 (mod_idx_vbn, idd->vbn);
2238 /* Second index (symbols name). */
2239 bfd_putl16 (idd_flags, idd->flags);
2240 bfd_putl16 (MAX_KEYLEN, idd->keylen);
2241 bfd_putl16 (sym_idx_vbn, idd->vbn);
2244 if (vms_write_block (arch, 1, blk) != TRUE)
2251 bfd_set_error (bfd_error_on_input, current, bfd_get_error ());
2255 /* Add a target for text library. This costs almost nothing and is useful to
2256 read VMS library on the host. */
2258 const bfd_target vms_lib_txt_vec =
2260 "vms-libtxt", /* Name. */
2261 bfd_target_unknown_flavour,
2262 BFD_ENDIAN_UNKNOWN, /* byteorder */
2263 BFD_ENDIAN_UNKNOWN, /* header_byteorder */
2264 0, /* Object flags. */
2265 0, /* Sect flags. */
2266 0, /* symbol_leading_char. */
2267 ' ', /* ar_pad_char. */
2268 15, /* ar_max_namelen. */
2269 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
2270 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
2271 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
2272 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
2273 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
2274 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
2276 {_bfd_dummy_target, _bfd_dummy_target, /* bfd_check_format. */
2277 _bfd_vms_lib_txt_archive_p, _bfd_dummy_target},
2278 {bfd_false, bfd_false, bfd_false, bfd_false}, /* bfd_set_format. */
2279 {bfd_false, bfd_false, bfd_false, bfd_false}, /* bfd_write_contents. */
2281 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
2282 BFD_JUMP_TABLE_COPY (_bfd_generic),
2283 BFD_JUMP_TABLE_CORE (_bfd_nocore),
2284 BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib),
2285 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
2286 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
2287 BFD_JUMP_TABLE_WRITE (_bfd_nowrite),
2288 BFD_JUMP_TABLE_LINK (_bfd_nolink),
2289 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),