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 *buf, file_ptr nbytes)
956 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
960 /* Do not read past the end. */
961 if (vec->where >= vec->file_len)
967 if (vec->rec_rem == 0)
969 unsigned char blen[2];
971 /* Read record length. */
972 if (vms_lib_bread_raw (abfd, blen, sizeof (blen)) != sizeof (blen))
974 vec->rec_len = bfd_getl16 (blen);
975 if (bfd_libdata (abfd->my_archive)->kind == vms_lib_txt)
977 /* Discard record size and align byte. */
979 vec->rec_rem = vec->rec_len;
983 /* Prepend record size. */
984 vec->rec_pos = REC_POS_LEN0;
985 vec->rec_rem = (vec->rec_len + 1) & ~1; /* With align byte. */
987 if (vec->rec_len == 3)
989 /* Possibly end of file. Check the pattern. */
990 if (vms_lib_bread_raw (abfd, vec->pattern, 4) != 4)
992 if (!memcmp (vec->pattern, eotdesc + 2, 3))
994 /* This is really an EOF. */
996 vec->file_len = vec->where;
1001 if (vec->dcxsbms != NULL)
1003 /* This is a compressed member. */
1007 /* Be sure there is enough room for the expansion. */
1008 len = (vec->rec_len + 1) & ~1;
1009 if (len > vec->dcx_max)
1011 while (len > vec->dcx_max)
1013 vec->dcx_buf = bfd_alloc (abfd, vec->dcx_max);
1014 if (vec->dcx_buf == NULL)
1018 /* Read the compressed record. */
1019 vec->dcx_rlen = len;
1020 if (vec->rec_len == 3)
1023 memcpy (vec->dcx_buf, vec->pattern, 3);
1027 elen = vms_lib_bread_raw (abfd, vec->dcx_buf, len);
1032 /* Dummy expansion to get the expanded length. */
1033 vec->dcx_offset = 0;
1034 vec->dcx_sbm = vec->dcxsbms;
1036 elen = vms_lib_dcx (vec, NULL, 0x10000);
1039 vec->rec_len = elen;
1040 vec->rec_rem = elen;
1042 /* Reset the state. */
1043 vec->dcx_offset = 0;
1044 vec->dcx_sbm = vec->dcxsbms;
1048 if (vec->rec_pos < 0)
1051 switch (vec->rec_pos)
1054 c = vec->rec_len & 0xff;
1055 vec->rec_pos = REC_POS_LEN1;
1058 c = (vec->rec_len >> 8) & 0xff;
1074 *(unsigned char *)buf = c;
1082 if (nbytes > vec->rec_rem)
1083 chunk = vec->rec_rem;
1087 if (vec->dcxsbms != NULL)
1089 /* Optimize the stat() case: no need to decompress again as we
1091 if (!(buf == NULL && chunk == vec->rec_rem))
1092 chunk = vms_lib_dcx (vec, buf, chunk);
1096 if (vec->rec_len == 3)
1099 memcpy (buf, vec->pattern + vec->rec_pos, chunk);
1102 chunk = vms_lib_bread_raw (abfd, buf, chunk);
1110 vec->rec_pos += chunk;
1111 vec->rec_rem -= chunk;
1113 if (vec->rec_rem == 0)
1115 /* End of record reached. */
1116 if (bfd_libdata (abfd->my_archive)->kind == vms_lib_txt)
1118 if ((vec->rec_len & 1) == 1
1119 && vec->rec_len != 3
1120 && vec->dcxsbms == NULL)
1122 /* Eat the pad byte. */
1124 if (vms_lib_bread_raw (abfd, &pad, 1) != 1)
1127 vec->rec_pos = REC_POS_NL;
1132 if ((vec->rec_len & 1) == 1 && vec->dcxsbms != NULL)
1134 vec->rec_pos = REC_POS_PAD;
1144 /* Standard function, but we currently only handle the rewind case. */
1147 vms_lib_bseek (struct bfd *abfd, file_ptr offset, int whence)
1149 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
1151 if (whence == SEEK_SET && offset == 0)
1156 vec->blk_off = vec->init_blk_off;
1157 vec->next_block = vec->init_next_block;
1159 if (bfd_seek (abfd->my_archive, vec->first_block, SEEK_SET) != 0)
1168 vms_lib_bwrite (struct bfd *abfd ATTRIBUTE_UNUSED,
1169 const void *where ATTRIBUTE_UNUSED,
1170 file_ptr nbytes ATTRIBUTE_UNUSED)
1176 vms_lib_bclose (struct bfd *abfd)
1178 abfd->iostream = NULL;
1183 vms_lib_bflush (struct bfd *abfd ATTRIBUTE_UNUSED)
1189 vms_lib_bstat (struct bfd *abfd ATTRIBUTE_UNUSED,
1190 struct stat *sb ATTRIBUTE_UNUSED)
1192 /* Not supported. */
1197 vms_lib_bmmap (struct bfd *abfd ATTRIBUTE_UNUSED,
1198 void *addr ATTRIBUTE_UNUSED,
1199 bfd_size_type len ATTRIBUTE_UNUSED,
1200 int prot ATTRIBUTE_UNUSED,
1201 int flags ATTRIBUTE_UNUSED,
1202 file_ptr offset ATTRIBUTE_UNUSED)
1207 static const struct bfd_iovec vms_lib_iovec = {
1208 &vms_lib_bread, &vms_lib_bwrite, &vms_lib_btell, &vms_lib_bseek,
1209 &vms_lib_bclose, &vms_lib_bflush, &vms_lib_bstat, &vms_lib_bmmap
1212 /* Open a library module. FILEPOS is the position of the module header. */
1215 vms_lib_bopen (bfd *el, file_ptr filepos)
1217 struct vms_lib_iovec *vec;
1218 unsigned char buf[256];
1219 struct vms_mhd *mhd;
1220 struct lib_tdata *tdata = bfd_libdata (el->my_archive);
1223 /* Allocate and initialized the iovec. */
1224 vec = bfd_zalloc (el, sizeof (*vec));
1229 el->iovec = &vms_lib_iovec;
1231 /* File length is not known. */
1234 /* Read the first data block. */
1235 vec->next_block = filepos & ~(VMS_BLOCK_SIZE - 1);
1236 vec->blk_off = DATA__LENGTH;
1237 if (!vms_lib_read_block (el))
1240 /* Prepare to read the first record. */
1241 vec->blk_off = filepos & (VMS_BLOCK_SIZE - 1);
1243 if (bfd_seek (el->my_archive, filepos, SEEK_SET) != 0)
1246 /* Read Record length + MHD + align byte. */
1247 len = tdata->mhd_size;
1248 if (vms_lib_bread_raw (el, buf, 2) != 2)
1250 if (bfd_getl16 (buf) != len)
1252 len = (len + 1) & ~1;
1253 BFD_ASSERT (len <= sizeof (buf));
1254 if (vms_lib_bread_raw (el, buf, len) != len)
1257 /* Get info from mhd. */
1258 mhd = (struct vms_mhd *)buf;
1260 if (mhd->id != MHD__C_MHDID)
1262 if (len >= MHD__C_MHDLEN + 1)
1263 el->selective_search = (mhd->objstat & MHD__M_SELSRC) ? 1 : 0;
1264 el->mtime = vms_rawtime_to_time_t (mhd->datim);
1265 el->mtime_set = TRUE;
1267 /* Reinit the iovec so that seek() will point to the first record after
1270 vec->init_blk_off = vec->blk_off;
1271 vec->init_next_block = vec->next_block;
1272 vec->first_block = bfd_tell (el->my_archive);
1273 vec->dcxsbms = bfd_libdata (el->my_archive)->dcxsbm;
1275 if (vec->dcxsbms != NULL)
1278 vec->dcx_max = 10 * 1024;
1279 vec->dcx_buf = bfd_alloc (el, vec->dcx_max);
1281 if (vec->dcx_buf == NULL)
1287 /* Get member MODIDX. Return NULL in case of error. */
1290 _bfd_vms_lib_get_module (bfd *abfd, unsigned int modidx)
1292 struct lib_tdata *tdata = bfd_libdata (abfd);
1297 if (modidx >= tdata->nbr_modules)
1300 /* Already loaded. */
1301 if (tdata->cache[modidx])
1302 return tdata->cache[modidx];
1305 file_off = tdata->modules[modidx].file_offset;
1306 if (tdata->type != LBR__C_TYP_IOBJ)
1308 res = _bfd_create_empty_archive_element_shell (abfd);
1312 /* Special reader to deal with data blocks. */
1313 if (!vms_lib_bopen (res, file_off))
1319 struct vms_mhd *mhd;
1320 struct areltdata *arelt;
1322 /* Sanity check. The MHD must be big enough to contain module size. */
1323 if (tdata->mhd_size < offsetof (struct vms_mhd, modsize) + 4)
1326 /* Read the MHD now. */
1327 if (bfd_seek (abfd, file_off, SEEK_SET) != 0)
1329 if (bfd_bread (buf, tdata->mhd_size, abfd) != tdata->mhd_size)
1332 res = _bfd_create_empty_archive_element_shell (abfd);
1335 arelt = bfd_zalloc (res, sizeof (*arelt));
1338 res->arelt_data = arelt;
1340 /* Get info from mhd. */
1341 mhd = (struct vms_mhd *)buf;
1342 if (mhd->id != MHD__C_MHDID)
1344 if (tdata->mhd_size >= offsetof (struct vms_mhd, objstat) + 1)
1345 res->selective_search = (mhd->objstat & MHD__M_SELSRC) ? 1 : 0;
1346 res->mtime = vms_rawtime_to_time_t (mhd->datim);
1347 res->mtime_set = TRUE;
1349 arelt->parsed_size = bfd_getl32 (mhd->modsize);
1351 /* No need for a special reader as members are stored linearly.
1352 Just skip the MHD. */
1353 res->origin = file_off + tdata->mhd_size;
1356 res->filename = tdata->modules[modidx].name;
1358 tdata->cache[modidx] = res;
1363 /* Standard function: get member at IDX. */
1366 _bfd_vms_lib_get_elt_at_index (bfd *abfd, symindex symidx)
1368 struct lib_tdata *tdata = bfd_libdata (abfd);
1370 unsigned int modidx;
1373 if (symidx > tdata->artdata.symdef_count)
1375 file_off = tdata->artdata.symdefs[symidx].file_offset;
1378 for (modidx = 0; modidx < tdata->nbr_modules; modidx++)
1380 if (tdata->modules[modidx].file_offset == file_off)
1383 if (modidx >= tdata->nbr_modules)
1386 return _bfd_vms_lib_get_module (abfd, modidx);
1389 /* Elements of an imagelib are stubs. You can get the real image with this
1393 _bfd_vms_lib_get_imagelib_file (bfd *el)
1395 bfd *archive = el->my_archive;
1396 const char *modname = el->filename;
1397 int modlen = strlen (modname);
1402 /* Convert module name to lower case and append '.exe'. */
1403 filename = bfd_alloc (el, modlen + 5);
1404 if (filename == NULL)
1406 for (j = 0; j < modlen; j++)
1407 if (ISALPHA (modname[j]))
1408 filename[j] = TOLOWER (modname[j]);
1410 filename[j] = modname[j];
1411 memcpy (filename + modlen, ".exe", 5);
1413 filename = _bfd_append_relative_path (archive, filename);
1414 if (filename == NULL)
1416 res = bfd_openr (filename, NULL);
1420 (*_bfd_error_handler)(_("could not open shared image '%s' from '%s'"),
1421 filename, archive->filename);
1422 bfd_release (archive, filename);
1426 /* FIXME: put it in a cache ? */
1430 /* Standard function. */
1433 _bfd_vms_lib_openr_next_archived_file (bfd *archive,
1442 idx = last_file->proxy_origin + 1;
1444 if (idx >= bfd_libdata (archive)->nbr_modules)
1446 bfd_set_error (bfd_error_no_more_archived_files);
1450 res = _bfd_vms_lib_get_module (archive, idx);
1453 res->proxy_origin = idx;
1457 /* Standard function. Just compute the length. */
1460 _bfd_vms_lib_generic_stat_arch_elt (bfd *abfd, struct stat *st)
1462 struct lib_tdata *tdata;
1465 if (abfd->my_archive == NULL)
1467 bfd_set_error (bfd_error_invalid_operation);
1471 tdata = bfd_libdata (abfd->my_archive);
1472 if (tdata->type != LBR__C_TYP_IOBJ)
1474 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
1476 if (vec->file_len == (ufile_ptr)-1)
1478 if (vms_lib_bseek (abfd, 0, SEEK_SET) != 0)
1481 /* Compute length. */
1482 while (vms_lib_bread (abfd, NULL, 1 << 20) > 0)
1485 st->st_size = vec->file_len;
1489 st->st_size = ((struct areltdata *)abfd->arelt_data)->parsed_size;
1492 if (abfd->mtime_set)
1493 st->st_mtime = abfd->mtime;
1503 /* Internal representation of an index entry. */
1507 /* Corresponding archive member. */
1510 /* Number of reference to this entry. */
1513 /* Length of the key. */
1514 unsigned short namlen;
1520 /* Used to sort index entries. */
1523 lib_index_cmp (const void *lv, const void *rv)
1525 const struct lib_index *l = lv;
1526 const struct lib_index *r = rv;
1528 return strcmp (l->name, r->name);
1531 /* Maximum number of index blocks level. */
1533 #define MAX_LEVEL 10
1535 /* Get the size of an index entry. */
1538 get_idxlen (struct lib_index *idx, bfd_boolean is_elfidx)
1542 if (idx->namlen > MAX_KEYLEN)
1543 return 9 + sizeof (struct vms_rfa);
1545 return 9 + idx->namlen;
1548 return 7 + idx->namlen;
1551 /* Write the index. VBN is the first vbn to be used, and will contain
1552 on return the last vbn.
1553 Return TRUE on success. */
1556 vms_write_index (bfd *abfd,
1557 struct lib_index *idx, unsigned int nbr, unsigned int *vbn,
1558 unsigned int *topvbn, bfd_boolean is_elfidx)
1563 struct vms_indexdef *rblk[MAX_LEVEL];
1568 unsigned short lastlen;
1571 /* The kbn blocks are used to store long symbol names. */
1572 unsigned int kbn_sz = 0; /* Number of bytes availble in the kbn block. */
1573 unsigned int kbn_vbn = 0; /* VBN of the kbn block. */
1574 unsigned char *kbn_blk = NULL; /* Contents of the kbn block. */
1578 /* No entries. Very easy to handle. */
1586 /* Sort the index the first time this function is called. */
1587 qsort (idx, nbr, sizeof (struct lib_index), lib_index_cmp);
1590 /* Allocate first index block. */
1593 rblk[0] = bfd_malloc (sizeof (struct vms_indexdef));
1594 blk[0].vbn = (*vbn)++;
1598 for (i = 0; i < nbr; i++, idx++)
1600 unsigned int idxlen;
1602 unsigned int key_vbn = 0;
1603 unsigned int key_off = 0;
1605 idxlen = get_idxlen (idx, is_elfidx);
1607 if (is_elfidx && idx->namlen >= MAX_KEYLEN)
1609 /* If the name is too long, write it in the kbn block. */
1610 unsigned int kl = idx->namlen;
1611 unsigned int kl_chunk;
1612 const char *key = idx->name;
1614 /* Write the name in the kbn, chunk after chunk. */
1617 if (kbn_sz < sizeof (struct vms_kbn))
1619 /* Not enough room in the kbn block. */
1622 /* Write it to the disk (if there is one). */
1625 if (vms_write_block (abfd, kbn_vbn, kbn_blk) != TRUE)
1630 kbn_blk = bfd_malloc (VMS_BLOCK_SIZE);
1631 if (kbn_blk == NULL)
1634 *(unsigned short *)kbn_blk = 0;
1637 kbn_sz = VMS_BLOCK_SIZE - 2;
1639 if (kl + sizeof (struct vms_kbn) > kbn_sz)
1640 kl_chunk = kbn_sz - sizeof (struct vms_kbn);
1644 if (kbn_blk != NULL)
1646 struct vms_kbn *kbn;
1648 kbn = (struct vms_kbn *)(kbn_blk + VMS_BLOCK_SIZE - kbn_sz);
1652 /* Save the rfa of the first chunk. */
1654 key_off = VMS_BLOCK_SIZE - kbn_sz;
1657 bfd_putl16 (kl_chunk, kbn->keylen);
1660 /* No next chunk. */
1661 bfd_putl32 (0, kbn->rfa.vbn);
1662 bfd_putl16 (0, kbn->rfa.offset);
1666 /* Next chunk will be at the start of the next block. */
1667 bfd_putl32 (*vbn, kbn->rfa.vbn);
1668 bfd_putl16 (2, kbn->rfa.offset);
1670 memcpy ((char *)(kbn + 1), key, kl_chunk);
1674 kl_chunk = (kl_chunk + 1) & ~1; /* Always align. */
1675 kbn_sz -= kl_chunk + sizeof (struct vms_kbn);
1680 /* Check if a block might overflow. In this case we will flush this
1681 block and all the blocks below it. */
1682 for (j = 0; j < level; j++)
1683 if (blk[j].len + blk[j].lastlen + idxlen > INDEXDEF__BLKSIZ)
1686 for (j = 0; j < level; j++)
1690 /* There is not enough room to write the new entry in this
1691 block or in a parent block. */
1695 BFD_ASSERT (level < MAX_LEVEL);
1697 /* Need to create a parent. */
1700 rblk[level] = bfd_malloc (sizeof (struct vms_indexdef));
1701 bfd_putl32 (*vbn, rblk[j]->parent);
1703 blk[level].vbn = (*vbn)++;
1705 blk[level].lastlen = 0;
1710 /* Update parent block: write the new entry. */
1713 struct vms_rfa *rfa;
1715 /* Copy the whole entry. */
1716 memcpy (rblk[j + 1]->keys + blk[j + 1].len,
1717 rblk[j]->keys + blk[j].len,
1719 /* Fix the entry (which in always the first field of an entry. */
1720 rfa = (struct vms_rfa *)(rblk[j + 1]->keys + blk[j + 1].len);
1721 bfd_putl32 (blk[j].vbn, rfa->vbn);
1722 bfd_putl16 (RFADEF__C_INDEX, rfa->offset);
1727 /* And allocate it. Do it only on the block that won't be
1728 flushed (so that the parent of the parent can be
1730 blk[j + 1].len += blk[j].lastlen;
1731 blk[j + 1].lastlen = 0;
1734 /* Write this block on the disk. */
1737 bfd_putl16 (blk[j].len + blk[j].lastlen, rblk[j]->used);
1738 if (vms_write_block (abfd, blk[j].vbn, rblk[j]) != TRUE)
1742 /* Reset this block. */
1745 blk[j].vbn = (*vbn)++;
1748 /* Append it to the block. */
1751 blk[j].len += blk[j].lastlen;
1755 struct vms_rfa *rfa;
1757 rfa = (struct vms_rfa *)(rblk[j]->keys + blk[j].len);
1758 bfd_putl32 ((idx->abfd->proxy_origin / VMS_BLOCK_SIZE) + 1,
1761 ((idx->abfd->proxy_origin % VMS_BLOCK_SIZE)
1762 + (is_elfidx ? 0 : DATA__DATA),
1767 /* Use elfidx format. */
1768 struct vms_elfidx *en = (struct vms_elfidx *)rfa;
1773 /* Long symbol name. */
1774 struct vms_kbn *k = (struct vms_kbn *)(en->keyname);
1775 bfd_putl16 (sizeof (struct vms_kbn), en->keylen);
1776 bfd_putl16 (idx->namlen, k->keylen);
1777 bfd_putl32 (key_vbn, k->rfa.vbn);
1778 bfd_putl16 (key_off, k->rfa.offset);
1779 en->flags |= ELFIDX__SYMESC;
1783 bfd_putl16 (idx->namlen, en->keylen);
1784 memcpy (en->keyname, idx->name, idx->namlen);
1789 /* Use idx format. */
1790 struct vms_idx *en = (struct vms_idx *)rfa;
1791 en->keylen = idx->namlen;
1792 memcpy (en->keyname, idx->name, idx->namlen);
1797 blk[j].lastlen = idxlen;
1802 *topvbn = blk[level - 1].vbn;
1808 for (j = 0; j < level; j++)
1812 /* Update parent block: write the new entry. */
1815 struct vms_rfa *rfa;
1817 en = rblk[j - 1]->keys + blk[j - 1].len;
1818 par = rblk[j]->keys + blk[j].len;
1819 memcpy (par, en, blk[j - 1].lastlen);
1820 rfa = (struct vms_rfa *)par;
1821 bfd_putl32 (blk[j - 1].vbn, rfa->vbn);
1822 bfd_putl16 (RFADEF__C_INDEX, rfa->offset);
1825 /* Write this block on the disk. */
1826 bfd_putl16 (blk[j].len + blk[j].lastlen, rblk[j]->used);
1827 if (vms_write_block (abfd, blk[j].vbn, rblk[j]) != TRUE)
1835 if (vms_write_block (abfd, kbn_vbn, kbn_blk) != TRUE)
1842 /* Append data to the data block DATA. Force write if PAD is true. */
1845 vms_write_data_block (bfd *arch, struct vms_datadef *data, file_ptr *off,
1846 const unsigned char *buf, unsigned int len, int pad)
1848 while (len > 0 || pad)
1850 unsigned int doff = *off & (VMS_BLOCK_SIZE - 1);
1851 unsigned int remlen = (DATA__LENGTH - DATA__DATA) - doff;
1854 l = (len > remlen) ? remlen : len;
1855 memcpy (data->data + doff, buf, l);
1861 if (doff == (DATA__LENGTH - DATA__DATA) || (len == 0 && pad))
1865 bfd_putl32 ((*off / VMS_BLOCK_SIZE) + 2, data->link);
1867 if (bfd_bwrite (data, sizeof (*data), arch) != sizeof (*data))
1870 *off += DATA__LENGTH - doff;
1879 /* Build the symbols index. */
1882 _bfd_vms_lib_build_map (unsigned int nbr_modules,
1883 struct lib_index *modules,
1884 unsigned int *res_cnt,
1885 struct lib_index **res)
1888 asymbol **syms = NULL;
1890 struct lib_index *map = NULL;
1891 unsigned int map_max = 1024; /* Fine initial default. */
1892 unsigned int map_count = 0;
1894 map = (struct lib_index *) bfd_malloc (map_max * sizeof (struct lib_index));
1898 /* Gather symbols. */
1899 for (i = 0; i < nbr_modules; i++)
1904 bfd *current = modules[i].abfd;
1906 if ((bfd_get_file_flags (current) & HAS_SYMS) == 0)
1909 storage = bfd_get_symtab_upper_bound (current);
1915 if (storage > syms_max)
1920 syms = (asymbol **) bfd_malloc (syms_max);
1924 symcount = bfd_canonicalize_symtab (current, syms);
1928 /* Now map over all the symbols, picking out the ones we
1930 for (src_count = 0; src_count < symcount; src_count++)
1932 flagword flags = (syms[src_count])->flags;
1933 asection *sec = syms[src_count]->section;
1935 if ((flags & BSF_GLOBAL
1937 || flags & BSF_INDIRECT
1938 || bfd_is_com_section (sec))
1939 && ! bfd_is_und_section (sec))
1941 struct lib_index *new_map;
1943 /* This symbol will go into the archive header. */
1944 if (map_count == map_max)
1947 new_map = (struct lib_index *)
1948 bfd_realloc (map, map_max * sizeof (struct lib_index));
1949 if (new_map == NULL)
1954 map[map_count].abfd = current;
1955 map[map_count].namlen = strlen (syms[src_count]->name);
1956 map[map_count].name = syms[src_count]->name;
1964 *res_cnt = map_count;
1976 /* Do the hard work: write an archive on the disk. */
1979 _bfd_vms_lib_write_archive_contents (bfd *arch)
1982 unsigned int nbr_modules;
1983 struct lib_index *modules;
1984 unsigned int nbr_symbols;
1985 struct lib_index *symbols;
1986 struct lib_tdata *tdata = bfd_libdata (arch);
1989 unsigned int nbr_mod_iblk;
1990 unsigned int nbr_sym_iblk;
1992 unsigned int mod_idx_vbn;
1993 unsigned int sym_idx_vbn;
1994 bfd_boolean is_elfidx = tdata->kind == vms_lib_ia64;
1996 /* Count the number of modules (and do a first sanity check). */
1998 for (current = arch->archive_head;
2000 current = current->archive_next)
2002 /* This check is checking the bfds for the objects we're reading
2003 from (which are usually either an object file or archive on
2004 disk), not the archive entries we're writing to. We don't
2005 actually create bfds for the archive members, we just copy
2006 them byte-wise when we write out the archive. */
2007 if (bfd_write_p (current) || !bfd_check_format (current, bfd_object))
2009 bfd_set_error (bfd_error_invalid_operation);
2016 /* Build the modules list. */
2017 BFD_ASSERT (tdata->modules == NULL);
2018 modules = bfd_alloc (arch, nbr_modules * sizeof (struct lib_index));
2019 if (modules == NULL)
2022 for (current = arch->archive_head, i = 0;
2024 current = current->archive_next, i++)
2028 modules[i].abfd = current;
2029 modules[i].name = vms_get_module_name (current->filename, FALSE);
2032 /* FIXME: silently truncate long names ? */
2033 nl = strlen (modules[i].name);
2034 modules[i].namlen = (nl > MAX_KEYLEN ? MAX_KEYLEN : nl);
2037 /* Create the module index. */
2039 if (!vms_write_index (NULL, modules, nbr_modules, &vbn, NULL, is_elfidx))
2043 /* Create symbol index. */
2044 if (!_bfd_vms_lib_build_map (nbr_modules, modules, &nbr_symbols, &symbols))
2048 if (!vms_write_index (NULL, symbols, nbr_symbols, &vbn, NULL, is_elfidx))
2052 /* Write modules and remember their position. */
2053 off = (1 + nbr_mod_iblk + nbr_sym_iblk) * VMS_BLOCK_SIZE;
2055 if (bfd_seek (arch, off, SEEK_SET) != 0)
2058 for (i = 0; i < nbr_modules; i++)
2060 struct vms_datadef data;
2061 unsigned char blk[VMS_BLOCK_SIZE];
2062 struct vms_mhd *mhd;
2065 current = modules[i].abfd;
2066 current->proxy_origin = off;
2072 /* Write the MHD as a record (ie, size first). */
2074 bfd_putl16 (tdata->mhd_size, blk);
2076 mhd = (struct vms_mhd *)(blk + sz);
2077 memset (mhd, 0, sizeof (struct vms_mhd));
2079 mhd->id = MHD__C_MHDID;
2081 memcpy (mhd->objid, "V1.0", 4);
2082 bfd_putl32 (modules[i].ref, mhd->refcnt);
2085 sz += tdata->mhd_size;
2088 /* Rewind the member to be put into the archive. */
2089 if (bfd_seek (current, 0, SEEK_SET) != 0)
2092 /* Copy the member into the archive. */
2095 unsigned int modsize = 0;
2097 file_ptr off_hdr = off;
2099 /* Read to complete the first block. */
2100 amt = bfd_bread (blk + sz, VMS_BLOCK_SIZE - sz, current);
2101 if (amt == (bfd_size_type)-1)
2104 if (amt < VMS_BLOCK_SIZE - sz)
2106 /* The member size is less than a block. Pad the block. */
2107 memset (blk + sz + amt, 0, VMS_BLOCK_SIZE - sz - amt);
2109 bfd_putl32 (modsize, mhd->modsize);
2111 /* Write the first block (which contains an mhd). */
2112 if (bfd_bwrite (blk, VMS_BLOCK_SIZE, arch) != VMS_BLOCK_SIZE)
2114 off += VMS_BLOCK_SIZE;
2116 if (amt == VMS_BLOCK_SIZE - sz)
2118 /* Copy the remaining. */
2119 char buffer[DEFAULT_BUFFERSIZE];
2123 amt = bfd_bread (buffer, sizeof (buffer), current);
2124 if (amt == (bfd_size_type)-1)
2129 if (amt != sizeof (buffer))
2131 /* Clear the padding. */
2132 memset (buffer + amt, 0, sizeof (buffer) - amt);
2133 amt = (amt + VMS_BLOCK_SIZE) & ~(VMS_BLOCK_SIZE - 1);
2135 if (bfd_bwrite (buffer, amt, arch) != amt)
2140 /* Now that the size is known, write the first block (again). */
2141 bfd_putl32 (modsize, mhd->modsize);
2142 if (bfd_seek (arch, off_hdr, SEEK_SET) != 0
2143 || bfd_bwrite (blk, VMS_BLOCK_SIZE, arch) != VMS_BLOCK_SIZE)
2145 if (bfd_seek (arch, off, SEEK_SET) != 0)
2151 /* Write the MHD. */
2152 if (vms_write_data_block (arch, &data, &off, blk, sz, 0) < 0)
2155 /* Write the member. */
2158 sz = bfd_bread (blk, sizeof (blk), current);
2161 if (vms_write_data_block (arch, &data, &off, blk, sz, 0) < 0)
2165 /* Write the end of module marker. */
2166 if (vms_write_data_block (arch, &data, &off,
2167 eotdesc, sizeof (eotdesc), 1) < 0)
2172 /* Write the indexes. */
2174 if (vms_write_index (arch, modules, nbr_modules, &vbn, &mod_idx_vbn,
2177 if (vms_write_index (arch, symbols, nbr_symbols, &vbn, &sym_idx_vbn,
2181 /* Write libary header. */
2183 unsigned char blk[VMS_BLOCK_SIZE];
2184 struct vms_lhd *lhd = (struct vms_lhd *)blk;
2185 struct vms_idd *idd = (struct vms_idd *)(blk + sizeof (*lhd));
2186 unsigned int idd_flags;
2187 unsigned int saneid;
2189 memset (blk, 0, sizeof (blk));
2191 lhd->type = tdata->type;
2193 switch (tdata->kind)
2196 saneid = LHD_SANEID3;
2199 saneid = LHD_SANEID6;
2204 bfd_putl32 (saneid, lhd->sanity);
2205 bfd_putl16 (tdata->ver, lhd->majorid);
2206 bfd_putl16 (0, lhd->minorid);
2207 snprintf ((char *)lhd->lbrver + 1, sizeof (lhd->lbrver) - 1,
2209 (unsigned)(BFD_VERSION / 100000000UL),
2210 (unsigned)(BFD_VERSION / 1000000UL) % 100,
2211 (unsigned)(BFD_VERSION / 10000UL) % 100);
2212 lhd->lbrver[sizeof (lhd->lbrver) - 1] = 0;
2213 lhd->lbrver[0] = strlen ((char *)lhd->lbrver + 1);
2215 bfd_putl32 (tdata->credat_lo, lhd->credat + 0);
2216 bfd_putl32 (tdata->credat_hi, lhd->credat + 4);
2217 vms_raw_get_time (lhd->updtim);
2219 lhd->mhdusz = tdata->mhd_size - MHD__C_USRDAT;
2221 bfd_putl32 (nbr_modules + nbr_symbols, lhd->idxcnt);
2222 bfd_putl32 (nbr_modules, lhd->modcnt);
2223 bfd_putl32 (nbr_modules, lhd->modhdrs);
2225 bfd_putl32 (vbn - 1, lhd->hipreal);
2226 bfd_putl32 (vbn - 1, lhd->hiprusd);
2228 /* First index (modules name). */
2229 idd_flags = IDD__FLAGS_ASCII | IDD__FLAGS_VARLENIDX
2230 | IDD__FLAGS_NOCASECMP | IDD__FLAGS_NOCASENTR;
2231 bfd_putl16 (idd_flags, idd->flags);
2232 bfd_putl16 (MAX_KEYLEN, idd->keylen);
2233 bfd_putl16 (mod_idx_vbn, idd->vbn);
2236 /* Second index (symbols name). */
2237 bfd_putl16 (idd_flags, idd->flags);
2238 bfd_putl16 (MAX_KEYLEN, idd->keylen);
2239 bfd_putl16 (sym_idx_vbn, idd->vbn);
2242 if (vms_write_block (arch, 1, blk) != TRUE)
2249 bfd_set_error (bfd_error_on_input, current, bfd_get_error ());
2253 /* Add a target for text library. This costs almost nothing and is useful to
2254 read VMS library on the host. */
2256 const bfd_target vms_lib_txt_vec =
2258 "vms-libtxt", /* Name. */
2259 bfd_target_unknown_flavour,
2260 BFD_ENDIAN_UNKNOWN, /* byteorder */
2261 BFD_ENDIAN_UNKNOWN, /* header_byteorder */
2262 0, /* Object flags. */
2263 0, /* Sect flags. */
2264 0, /* symbol_leading_char. */
2265 ' ', /* ar_pad_char. */
2266 15, /* ar_max_namelen. */
2267 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
2268 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
2269 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
2270 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
2271 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
2272 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
2274 {_bfd_dummy_target, _bfd_dummy_target, /* bfd_check_format. */
2275 _bfd_vms_lib_txt_archive_p, _bfd_dummy_target},
2276 {bfd_false, bfd_false, bfd_false, bfd_false}, /* bfd_set_format. */
2277 {bfd_false, bfd_false, bfd_false, bfd_false}, /* bfd_write_contents. */
2279 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
2280 BFD_JUMP_TABLE_COPY (_bfd_generic),
2281 BFD_JUMP_TABLE_CORE (_bfd_nocore),
2282 BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib),
2283 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
2284 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
2285 BFD_JUMP_TABLE_WRITE (_bfd_nowrite),
2286 BFD_JUMP_TABLE_LINK (_bfd_nolink),
2287 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),