1 /* BFD back-end for VMS archive files.
3 Copyright (C) 2010-2018 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"
28 #include "libiberty.h"
33 /* The standard VMS disk block size. */
34 #ifndef VMS_BLOCK_SIZE
35 #define VMS_BLOCK_SIZE 512
38 /* Maximum key length (which is also the maximum symbol length in archive). */
39 #define MAX_KEYLEN 128
40 #define MAX_EKEYLEN 1024
46 unsigned char min_char;
47 unsigned char max_char;
53 /* Kind of library. Used to filter in archive_p. */
63 /* Back-end private data. */
67 /* Standard tdata for an archive. But we don't use many fields. */
68 struct artdata artdata;
73 /* Type of the archive. */
76 /* Kind of archive. Summary of its type. */
77 enum vms_lib_kind kind;
79 /* Total size of the mhd (element header). */
80 unsigned int mhd_size;
83 unsigned int credat_lo;
84 unsigned int credat_hi;
86 /* Vector of modules (archive elements), already sorted. */
87 unsigned int nbr_modules;
88 struct carsym *modules;
91 /* DCX (decompression) data. */
92 unsigned int nbr_dcxsbm;
93 struct dcxsbm_desc *dcxsbm;
96 #define bfd_libdata(bfd) ((struct lib_tdata *)((bfd)->tdata.any))
98 /* End-Of-Text pattern. This is a special record to mark the end of file. */
100 static const unsigned char eotdesc[] = { 0x03, 0x00, 0x77, 0x00, 0x77, 0x00 };
102 /* Describe the current state of carsym entries while building the archive
103 table of content. Things are simple with Alpha archives as the number
104 of entries is known, but with IA64 archives a entry can make a reference
105 to severals members. Therefore we must be able to extend the table on the
106 fly, but it should be allocated on the bfd - which doesn't support realloc.
107 To reduce the overhead, the table is initially allocated in the BFD's
108 objalloc and extended if necessary on the heap. In the later case, it
109 is finally copied to the BFD's objalloc so that it will automatically be
114 /* The table of content. */
117 /* Number of entries used in the table. */
120 /* Maximum number of entries. */
123 /* If true, the table was reallocated on the heap. If false, it is still
124 in the BFD's objalloc. */
125 bfd_boolean realloced;
128 /* Simply add a name to the index. */
131 vms_add_index (struct carsym_mem *cs, char *name,
132 unsigned int idx_vbn, unsigned int idx_off)
134 if (cs->nbr == cs->max)
138 cs->max = 2 * cs->max + 32;
142 n = bfd_malloc2 (cs->max, sizeof (struct carsym));
145 memcpy (n, cs->idx, cs->nbr * sizeof (struct carsym));
146 /* And unfortunately we can't free cs->idx. */
150 n = bfd_realloc_or_free (cs->idx, cs->nbr * sizeof (struct carsym));
155 cs->realloced = TRUE;
157 cs->idx[cs->nbr].file_offset = (idx_vbn - 1) * VMS_BLOCK_SIZE + idx_off;
158 cs->idx[cs->nbr].name = name;
163 /* Follow all member of a lns list (pointed by RFA) and add indexes for
164 NAME. Return FALSE in case of error. */
167 vms_add_indexes_from_list (bfd *abfd, struct carsym_mem *cs, char *name,
176 vbn = bfd_getl32 (rfa->vbn);
181 off = (vbn - 1) * VMS_BLOCK_SIZE + bfd_getl16 (rfa->offset);
182 if (bfd_seek (abfd, off, SEEK_SET) != 0
183 || bfd_bread (&lns, sizeof (lns), abfd) != sizeof (lns))
186 if (!vms_add_index (cs, name,
187 bfd_getl32 (lns.modrfa.vbn),
188 bfd_getl16 (lns.modrfa.offset)))
195 /* Read block VBN from ABFD and store it into BLK. Return FALSE in case of error. */
198 vms_read_block (bfd *abfd, unsigned int vbn, void *blk)
202 off = (vbn - 1) * VMS_BLOCK_SIZE;
203 if (bfd_seek (abfd, off, SEEK_SET) != 0
204 || bfd_bread (blk, VMS_BLOCK_SIZE, abfd) != VMS_BLOCK_SIZE)
210 /* Write the content of BLK to block VBN of ABFD. Return FALSE in case of error. */
213 vms_write_block (bfd *abfd, unsigned int vbn, void *blk)
217 off = (vbn - 1) * VMS_BLOCK_SIZE;
218 if (bfd_seek (abfd, off, SEEK_SET) != 0
219 || bfd_bwrite (blk, VMS_BLOCK_SIZE, abfd) != VMS_BLOCK_SIZE)
225 /* Read index block VBN and put the entry in **IDX (which is updated).
226 If the entry is indirect, recurse. */
229 vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs)
231 struct vms_indexdef indexdef;
236 /* Read the index block. */
237 BFD_ASSERT (sizeof (indexdef) == VMS_BLOCK_SIZE);
238 if (!vms_read_block (abfd, vbn, &indexdef))
242 p = &indexdef.keys[0];
243 endp = p + bfd_getl16 (indexdef.used);
246 unsigned int idx_vbn;
247 unsigned int idx_off;
249 unsigned char *keyname;
252 /* Extract key length. */
253 if (bfd_libdata (abfd)->ver == LBR_MAJORID)
255 struct vms_idx *ridx = (struct vms_idx *)p;
257 idx_vbn = bfd_getl32 (ridx->rfa.vbn);
258 idx_off = bfd_getl16 (ridx->rfa.offset);
260 keylen = ridx->keylen;
262 keyname = ridx->keyname;
264 else if (bfd_libdata (abfd)->ver == LBR_ELFMAJORID)
266 struct vms_elfidx *ridx = (struct vms_elfidx *)p;
268 idx_vbn = bfd_getl32 (ridx->rfa.vbn);
269 idx_off = bfd_getl16 (ridx->rfa.offset);
271 keylen = bfd_getl16 (ridx->keylen);
273 keyname = ridx->keyname;
282 /* Point to the next index entry. */
283 p = keyname + keylen;
285 if (idx_off == RFADEF__C_INDEX)
287 /* Indirect entry. Recurse. */
288 if (!vms_traverse_index (abfd, idx_vbn, cs))
293 /* Add a new entry. */
296 if (flags & ELFIDX__SYMESC)
298 /* Extended key name. */
299 unsigned int noff = 0;
303 unsigned char kblk[VMS_BLOCK_SIZE];
306 if (keylen != sizeof (struct vms_kbn))
309 kbn = (struct vms_kbn *)keyname;
310 keylen = bfd_getl16 (kbn->keylen);
312 name = bfd_alloc (abfd, keylen + 1);
315 kvbn = bfd_getl32 (kbn->rfa.vbn);
316 koff = bfd_getl16 (kbn->rfa.offset);
318 /* Read the key, chunk by chunk. */
323 if (!vms_read_block (abfd, kvbn, kblk))
325 kbn = (struct vms_kbn *)(kblk + koff);
326 klen = bfd_getl16 (kbn->keylen);
327 kvbn = bfd_getl32 (kbn->rfa.vbn);
328 koff = bfd_getl16 (kbn->rfa.offset);
330 memcpy (name + noff, kbn + 1, klen);
341 /* Usual key name. */
342 name = bfd_alloc (abfd, keylen + 1);
346 memcpy (name, keyname, keylen);
350 if (flags & ELFIDX__LISTRFA)
355 off = (idx_vbn - 1) * VMS_BLOCK_SIZE + idx_off;
356 if (bfd_seek (abfd, off, SEEK_SET) != 0
357 || bfd_bread (&lhs, sizeof (lhs), abfd) != sizeof (lhs))
360 /* FIXME: this adds extra entries that were not accounted. */
361 if (!vms_add_indexes_from_list (abfd, cs, name, &lhs.ng_g_rfa))
363 if (!vms_add_indexes_from_list (abfd, cs, name, &lhs.ng_wk_rfa))
365 if (!vms_add_indexes_from_list (abfd, cs, name, &lhs.g_g_rfa))
367 if (!vms_add_indexes_from_list (abfd, cs, name, &lhs.g_wk_rfa))
372 if (!vms_add_index (cs, name, idx_vbn, idx_off))
381 /* Read index #IDX, which must have NBREL entries. */
383 static struct carsym *
384 vms_lib_read_index (bfd *abfd, int idx, unsigned int *nbrel)
389 struct carsym *csbuf;
390 struct carsym_mem csm;
392 /* Read index desription. */
393 if (bfd_seek (abfd, LHD_IDXDESC + idx * IDD_LENGTH, SEEK_SET) != 0
394 || bfd_bread (&idd, sizeof (idd), abfd) != sizeof (idd))
398 flags = bfd_getl16 (idd.flags);
399 if (!(flags & IDD__FLAGS_ASCII)
400 || !(flags & IDD__FLAGS_VARLENIDX))
403 csbuf = bfd_alloc (abfd, *nbrel * sizeof (struct carsym));
409 csm.realloced = FALSE;
412 /* Note: if the index is empty, there is no block to traverse. */
413 vbn = bfd_getl32 (idd.vbn);
414 if (vbn != 0 && !vms_traverse_index (abfd, vbn, &csm))
416 if (csm.realloced && csm.idx != NULL)
419 /* Note: in case of error, we can free what was allocated on the
421 bfd_release (abfd, csbuf);
427 /* There are more entries than the first estimate. Allocate on
428 the BFD's objalloc. */
429 csbuf = bfd_alloc (abfd, csm.nbr * sizeof (struct carsym));
432 memcpy (csbuf, csm.idx, csm.nbr * sizeof (struct carsym));
439 /* Standard function. */
441 static const bfd_target *
442 _bfd_vms_lib_archive_p (bfd *abfd, enum vms_lib_kind kind)
446 unsigned int majorid;
447 struct lib_tdata *tdata_hold;
448 struct lib_tdata *tdata;
450 unsigned int nbr_ent;
453 if (bfd_bread (&lhd, sizeof (lhd), abfd) != sizeof (lhd))
455 if (bfd_get_error () != bfd_error_system_call)
456 bfd_set_error (bfd_error_wrong_format);
460 /* Check sanity (= magic) number. */
461 sanity = bfd_getl32 (lhd.sanity);
462 if (!(sanity == LHD_SANEID3
463 || sanity == LHD_SANEID6
464 || sanity == LHD_SANEID_DCX))
466 bfd_set_error (bfd_error_wrong_format);
469 majorid = bfd_getl32 (lhd.majorid);
471 /* Check archive kind. */
475 if ((lhd.type != LBR__C_TYP_EOBJ && lhd.type != LBR__C_TYP_ESHSTB)
476 || majorid != LBR_MAJORID
479 bfd_set_error (bfd_error_wrong_format);
484 if ((lhd.type != LBR__C_TYP_IOBJ && lhd.type != LBR__C_TYP_ISHSTB)
485 || majorid != LBR_ELFMAJORID
488 bfd_set_error (bfd_error_wrong_format);
493 if ((lhd.type != LBR__C_TYP_TXT
494 && lhd.type != LBR__C_TYP_MLB
495 && lhd.type != LBR__C_TYP_HLP)
496 || majorid != LBR_MAJORID
499 bfd_set_error (bfd_error_wrong_format);
507 /* Allocate and initialize private data. */
508 tdata_hold = bfd_libdata (abfd);
509 tdata = (struct lib_tdata *) bfd_zalloc (abfd, sizeof (struct lib_tdata));
512 abfd->tdata.any = (void *)tdata;
513 tdata->ver = majorid;
514 tdata->mhd_size = MHD__C_USRDAT + lhd.mhdusz;
515 tdata->type = lhd.type;
517 tdata->credat_lo = bfd_getl32 (lhd.credat + 0);
518 tdata->credat_hi = bfd_getl32 (lhd.credat + 4);
521 tdata->nbr_modules = bfd_getl32 (lhd.modcnt);
522 tdata->artdata.symdef_count = bfd_getl32 (lhd.idxcnt) - tdata->nbr_modules;
523 nbr_ent = tdata->nbr_modules;
524 tdata->modules = vms_lib_read_index (abfd, 0, &nbr_ent);
525 if (tdata->modules == NULL || nbr_ent != tdata->nbr_modules)
529 nbr_ent = tdata->artdata.symdef_count;
530 tdata->artdata.symdefs = vms_lib_read_index (abfd, 1, &nbr_ent);
531 if (tdata->artdata.symdefs == NULL)
533 /* Only IA64 archives may have more entries in the index that what
535 if (nbr_ent != tdata->artdata.symdef_count
536 && kind != vms_lib_ia64)
538 tdata->artdata.symdef_count = nbr_ent;
540 tdata->cache = bfd_zalloc (abfd, sizeof (bfd *) * tdata->nbr_modules);
541 if (tdata->cache == NULL)
544 /* Read DCX submaps. */
545 dcxvbn = bfd_getl32 (lhd.dcxmapvbn);
548 unsigned char buf_reclen[4];
551 struct vms_dcxmap *map;
552 unsigned int sbm_off;
555 if (bfd_seek (abfd, (dcxvbn - 1) * VMS_BLOCK_SIZE, SEEK_SET) != 0
556 || bfd_bread (buf_reclen, sizeof (buf_reclen), abfd)
557 != sizeof (buf_reclen))
559 reclen = bfd_getl32 (buf_reclen);
560 buf = bfd_malloc (reclen);
563 if (bfd_bread (buf, reclen, abfd) != reclen)
568 map = (struct vms_dcxmap *)buf;
569 tdata->nbr_dcxsbm = bfd_getl16 (map->nsubs);
570 sbm_off = bfd_getl16 (map->sub0);
571 tdata->dcxsbm = (struct dcxsbm_desc *)bfd_alloc
572 (abfd, tdata->nbr_dcxsbm * sizeof (struct dcxsbm_desc));
573 for (i = 0; i < tdata->nbr_dcxsbm; i++)
575 struct vms_dcxsbm *sbm = (struct vms_dcxsbm *) (buf + sbm_off);
576 struct dcxsbm_desc *sbmdesc = &tdata->dcxsbm[i];
577 unsigned int sbm_len;
580 unsigned char *data = (unsigned char *)sbm;
584 sbm_sz = bfd_getl16 (sbm->size);
586 BFD_ASSERT (sbm_off <= reclen);
588 sbmdesc->min_char = sbm->min_char;
589 BFD_ASSERT (sbmdesc->min_char == 0);
590 sbmdesc->max_char = sbm->max_char;
591 sbm_len = sbmdesc->max_char - sbmdesc->min_char + 1;
592 l = (2 * sbm_len + 7) / 8;
594 (sbm_sz >= sizeof (struct vms_dcxsbm) + l + 3 * sbm_len
595 || (tdata->nbr_dcxsbm == 1
596 && sbm_sz >= sizeof (struct vms_dcxsbm) + l + sbm_len));
597 sbmdesc->flags = (unsigned char *)bfd_alloc (abfd, l);
598 memcpy (sbmdesc->flags, data + bfd_getl16 (sbm->flags), l);
599 sbmdesc->nodes = (unsigned char *)bfd_alloc (abfd, 2 * sbm_len);
600 memcpy (sbmdesc->nodes, data + bfd_getl16 (sbm->nodes), 2 * sbm_len);
601 off = bfd_getl16 (sbm->next);
604 /* Read the 'next' array. */
605 sbmdesc->next = (unsigned short *)bfd_alloc
606 (abfd, sbm_len * sizeof (unsigned short));
608 for (j = 0; j < sbm_len; j++)
609 sbmdesc->next[j] = bfd_getl16 (buf1 + j * 2);
613 /* There is no next array if there is only one submap. */
614 BFD_ASSERT (tdata->nbr_dcxsbm == 1);
615 sbmdesc->next = NULL;
622 tdata->nbr_dcxsbm = 0;
625 /* The map is always present. Also mark shared image library. */
626 abfd->has_armap = TRUE;
627 if (tdata->type == LBR__C_TYP_ESHSTB || tdata->type == LBR__C_TYP_ISHSTB)
628 abfd->is_thin_archive = TRUE;
633 bfd_release (abfd, tdata);
634 abfd->tdata.any = (void *)tdata_hold;
638 /* Standard function for alpha libraries. */
641 _bfd_vms_lib_alpha_archive_p (bfd *abfd)
643 return _bfd_vms_lib_archive_p (abfd, vms_lib_alpha);
646 /* Standard function for ia64 libraries. */
649 _bfd_vms_lib_ia64_archive_p (bfd *abfd)
651 return _bfd_vms_lib_archive_p (abfd, vms_lib_ia64);
654 /* Standard function for text libraries. */
656 static const bfd_target *
657 _bfd_vms_lib_txt_archive_p (bfd *abfd)
659 return _bfd_vms_lib_archive_p (abfd, vms_lib_txt);
662 /* Standard bfd function. */
665 _bfd_vms_lib_mkarchive (bfd *abfd, enum vms_lib_kind kind)
667 struct lib_tdata *tdata;
669 tdata = (struct lib_tdata *) bfd_zalloc (abfd, sizeof (struct lib_tdata));
673 abfd->tdata.any = (void *)tdata;
674 vms_get_time (&tdata->credat_hi, &tdata->credat_lo);
680 tdata->ver = LBR_MAJORID;
681 tdata->mhd_size = offsetof (struct vms_mhd, pad1);
682 tdata->type = LBR__C_TYP_EOBJ;
685 tdata->ver = LBR_ELFMAJORID;
686 tdata->mhd_size = sizeof (struct vms_mhd);
687 tdata->type = LBR__C_TYP_IOBJ;
693 tdata->nbr_modules = 0;
694 tdata->artdata.symdef_count = 0;
695 tdata->modules = NULL;
696 tdata->artdata.symdefs = NULL;
703 _bfd_vms_lib_alpha_mkarchive (bfd *abfd)
705 return _bfd_vms_lib_mkarchive (abfd, vms_lib_alpha);
709 _bfd_vms_lib_ia64_mkarchive (bfd *abfd)
711 return _bfd_vms_lib_mkarchive (abfd, vms_lib_ia64);
714 /* Find NAME in the symbol index. Return the index. */
717 _bfd_vms_lib_find_symbol (bfd *abfd, const char *name)
719 struct lib_tdata *tdata = bfd_libdata (abfd);
720 carsym *syms = tdata->artdata.symdefs;
723 /* Open-coded binary search for speed. */
725 hi = tdata->artdata.symdef_count - 1;
729 int mid = lo + (hi - lo) / 2;
732 diff = (char)(name[0] - syms[mid].name[0]);
734 diff = strcmp (name, syms[mid].name);
742 return BFD_NO_MORE_SYMBOLS;
745 /* IO vector for archive member. Need that because members are not linearly
746 stored in archives. */
750 /* Current offset. */
753 /* Length of the module, when known. */
756 /* Current position in the record from bfd_bread point of view (ie, after
757 decompression). 0 means that no data byte have been read, -2 and -1
758 are reserved for the length word. */
760 #define REC_POS_NL -4
761 #define REC_POS_PAD -3
762 #define REC_POS_LEN0 -2
763 #define REC_POS_LEN1 -1
766 unsigned short rec_len;
767 /* Number of bytes to read in the current record. */
768 unsigned short rec_rem;
769 /* Offset of the next block. */
771 /* Current *data* offset in the data block. */
772 unsigned short blk_off;
774 /* Offset of the first block. Extracted from the index. */
775 file_ptr first_block;
777 /* Initial next_block. Extracted when the MHD is read. */
778 file_ptr init_next_block;
779 /* Initial blk_off, once the MHD is read. */
780 unsigned short init_blk_off;
782 /* Used to store any 3 byte record, which could be the EOF pattern. */
783 unsigned char pattern[4];
786 struct dcxsbm_desc *dcxsbms;
787 /* Current submap. */
788 struct dcxsbm_desc *dcx_sbm;
789 /* Current offset in the submap. */
790 unsigned int dcx_offset;
793 /* Compressed buffer. */
794 unsigned char *dcx_buf;
795 /* Size of the buffer. Used to resize. */
796 unsigned int dcx_max;
797 /* Number of valid bytes in the buffer. */
798 unsigned int dcx_rlen;
801 /* Return the current position. */
804 vms_lib_btell (struct bfd *abfd)
806 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
810 /* Read the header of the next data block if all bytes of the current block
814 vms_lib_read_block (struct bfd *abfd)
816 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
818 if (vec->blk_off == DATA__LENGTH)
820 unsigned char hdr[DATA__DATA];
822 /* Read next block. */
823 if (bfd_seek (abfd->my_archive, vec->next_block, SEEK_SET) != 0)
825 if (bfd_bread (hdr, sizeof (hdr), abfd->my_archive) != sizeof (hdr))
827 vec->next_block = (bfd_getl32 (hdr + 2) - 1) * VMS_BLOCK_SIZE;
828 vec->blk_off = sizeof (hdr);
833 /* Read NBYTES from ABFD into BUF if not NULL. If BUF is NULL, bytes are
834 not stored. Read linearly from the library, but handle blocks. This
835 function does not handle records nor EOF. */
838 vms_lib_bread_raw (struct bfd *abfd, unsigned char *buf, file_ptr nbytes)
840 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
848 /* Be sure the current data block is read. */
849 if (!vms_lib_read_block (abfd))
852 /* Do not read past the data block, do not read more than requested. */
853 l = DATA__LENGTH - vec->blk_off;
860 /* Really read into BUF. */
861 if (bfd_bread (buf, l, abfd->my_archive) != l)
866 /* Make as if we are reading. */
867 if (bfd_seek (abfd->my_archive, l, SEEK_CUR) != 0)
880 /* Decompress NBYTES from VEC. Store the bytes into BUF if not NULL. */
883 vms_lib_dcx (struct vms_lib_iovec *vec, unsigned char *buf, file_ptr nbytes)
885 struct dcxsbm_desc *sbm;
891 /* The loop below expect to deliver at least one byte. */
895 /* Get the current state. */
897 offset = vec->dcx_offset;
898 j = vec->dcx_pos & 7;
900 for (i = vec->dcx_pos >> 3; i < vec->dcx_rlen; i++)
902 unsigned char b = vec->dcx_buf[i];
908 if (!(sbm->flags[offset >> 3] & (1 << (offset & 7))))
910 unsigned int n_offset = sbm->nodes[offset];
913 /* End of buffer. Stay where we are. */
914 vec->dcx_pos = (i << 3) + j;
917 vec->dcx_offset = offset;
921 offset = 2 * n_offset;
925 unsigned char v = sbm->nodes[offset];
927 if (sbm->next != NULL)
928 sbm = vec->dcxsbms + sbm->next[v];
939 vec->dcx_pos = (i << 3) + j + 1;
940 vec->dcx_offset = offset;
953 /* Standard IOVEC function. */
956 vms_lib_bread (struct bfd *abfd, void *vbuf, file_ptr nbytes)
958 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
961 unsigned char *buf = (unsigned char *)vbuf;
963 /* Do not read past the end. */
964 if (vec->where >= vec->file_len)
970 if (vec->rec_rem == 0)
972 unsigned char blen[2];
974 /* Read record length. */
975 if (vms_lib_bread_raw (abfd, blen, sizeof (blen)) != sizeof (blen))
977 vec->rec_len = bfd_getl16 (blen);
978 if (bfd_libdata (abfd->my_archive)->kind == vms_lib_txt)
980 /* Discard record size and align byte. */
982 vec->rec_rem = vec->rec_len;
986 /* Prepend record size. */
987 vec->rec_pos = REC_POS_LEN0;
988 vec->rec_rem = (vec->rec_len + 1) & ~1; /* With align byte. */
990 if (vec->rec_len == 3)
992 /* Possibly end of file. Check the pattern. */
993 if (vms_lib_bread_raw (abfd, vec->pattern, 4) != 4)
995 if (!memcmp (vec->pattern, eotdesc + 2, 3))
997 /* This is really an EOF. */
999 vec->file_len = vec->where;
1004 if (vec->dcxsbms != NULL)
1006 /* This is a compressed member. */
1010 /* Be sure there is enough room for the expansion. */
1011 len = (vec->rec_len + 1) & ~1;
1012 if (len > vec->dcx_max)
1014 while (len > vec->dcx_max)
1016 vec->dcx_buf = bfd_alloc (abfd, vec->dcx_max);
1017 if (vec->dcx_buf == NULL)
1021 /* Read the compressed record. */
1022 vec->dcx_rlen = len;
1023 if (vec->rec_len == 3)
1026 memcpy (vec->dcx_buf, vec->pattern, 3);
1030 elen = vms_lib_bread_raw (abfd, vec->dcx_buf, len);
1035 /* Dummy expansion to get the expanded length. */
1036 vec->dcx_offset = 0;
1037 vec->dcx_sbm = vec->dcxsbms;
1039 elen = vms_lib_dcx (vec, NULL, 0x10000);
1042 vec->rec_len = elen;
1043 vec->rec_rem = elen;
1045 /* Reset the state. */
1046 vec->dcx_offset = 0;
1047 vec->dcx_sbm = vec->dcxsbms;
1051 if (vec->rec_pos < 0)
1054 switch (vec->rec_pos)
1057 c = vec->rec_len & 0xff;
1058 vec->rec_pos = REC_POS_LEN1;
1061 c = (vec->rec_len >> 8) & 0xff;
1085 if (nbytes > vec->rec_rem)
1086 chunk = vec->rec_rem;
1090 if (vec->dcxsbms != NULL)
1092 /* Optimize the stat() case: no need to decompress again as we
1094 if (!(buf == NULL && chunk == vec->rec_rem))
1095 chunk = vms_lib_dcx (vec, buf, chunk);
1099 if (vec->rec_len == 3)
1102 memcpy (buf, vec->pattern + vec->rec_pos, chunk);
1105 chunk = vms_lib_bread_raw (abfd, buf, chunk);
1113 vec->rec_pos += chunk;
1114 vec->rec_rem -= chunk;
1116 if (vec->rec_rem == 0)
1118 /* End of record reached. */
1119 if (bfd_libdata (abfd->my_archive)->kind == vms_lib_txt)
1121 if ((vec->rec_len & 1) == 1
1122 && vec->rec_len != 3
1123 && vec->dcxsbms == NULL)
1125 /* Eat the pad byte. */
1127 if (vms_lib_bread_raw (abfd, &pad, 1) != 1)
1130 vec->rec_pos = REC_POS_NL;
1135 if ((vec->rec_len & 1) == 1 && vec->dcxsbms != NULL)
1137 vec->rec_pos = REC_POS_PAD;
1147 /* Standard function, but we currently only handle the rewind case. */
1150 vms_lib_bseek (struct bfd *abfd, file_ptr offset, int whence)
1152 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
1154 if (whence == SEEK_SET && offset == 0)
1159 vec->blk_off = vec->init_blk_off;
1160 vec->next_block = vec->init_next_block;
1162 if (bfd_seek (abfd->my_archive, vec->first_block, SEEK_SET) != 0)
1171 vms_lib_bwrite (struct bfd *abfd ATTRIBUTE_UNUSED,
1172 const void *where ATTRIBUTE_UNUSED,
1173 file_ptr nbytes ATTRIBUTE_UNUSED)
1179 vms_lib_bclose (struct bfd *abfd)
1181 abfd->iostream = NULL;
1186 vms_lib_bflush (struct bfd *abfd ATTRIBUTE_UNUSED)
1192 vms_lib_bstat (struct bfd *abfd ATTRIBUTE_UNUSED,
1193 struct stat *sb ATTRIBUTE_UNUSED)
1195 /* Not supported. */
1200 vms_lib_bmmap (struct bfd *abfd ATTRIBUTE_UNUSED,
1201 void *addr ATTRIBUTE_UNUSED,
1202 bfd_size_type len ATTRIBUTE_UNUSED,
1203 int prot ATTRIBUTE_UNUSED,
1204 int flags ATTRIBUTE_UNUSED,
1205 file_ptr offset ATTRIBUTE_UNUSED,
1206 void **map_addr ATTRIBUTE_UNUSED,
1207 bfd_size_type *map_len ATTRIBUTE_UNUSED)
1212 static const struct bfd_iovec vms_lib_iovec = {
1213 &vms_lib_bread, &vms_lib_bwrite, &vms_lib_btell, &vms_lib_bseek,
1214 &vms_lib_bclose, &vms_lib_bflush, &vms_lib_bstat, &vms_lib_bmmap
1217 /* Open a library module. FILEPOS is the position of the module header. */
1220 vms_lib_bopen (bfd *el, file_ptr filepos)
1222 struct vms_lib_iovec *vec;
1223 unsigned char buf[256];
1224 struct vms_mhd *mhd;
1225 struct lib_tdata *tdata = bfd_libdata (el->my_archive);
1228 /* Allocate and initialized the iovec. */
1229 vec = bfd_zalloc (el, sizeof (*vec));
1234 el->iovec = &vms_lib_iovec;
1236 /* File length is not known. */
1239 /* Read the first data block. */
1240 vec->next_block = filepos & ~(VMS_BLOCK_SIZE - 1);
1241 vec->blk_off = DATA__LENGTH;
1242 if (!vms_lib_read_block (el))
1245 /* Prepare to read the first record. */
1246 vec->blk_off = filepos & (VMS_BLOCK_SIZE - 1);
1248 if (bfd_seek (el->my_archive, filepos, SEEK_SET) != 0)
1251 /* Read Record length + MHD + align byte. */
1252 len = tdata->mhd_size;
1253 if (vms_lib_bread_raw (el, buf, 2) != 2)
1255 if (bfd_getl16 (buf) != len)
1257 len = (len + 1) & ~1;
1258 BFD_ASSERT (len <= sizeof (buf));
1259 if (vms_lib_bread_raw (el, buf, len) != len)
1262 /* Get info from mhd. */
1263 mhd = (struct vms_mhd *)buf;
1265 if (mhd->id != MHD__C_MHDID)
1267 if (len >= MHD__C_MHDLEN + 1)
1268 el->selective_search = (mhd->objstat & MHD__M_SELSRC) ? 1 : 0;
1269 el->mtime = vms_rawtime_to_time_t (mhd->datim);
1270 el->mtime_set = TRUE;
1272 /* Reinit the iovec so that seek() will point to the first record after
1275 vec->init_blk_off = vec->blk_off;
1276 vec->init_next_block = vec->next_block;
1277 vec->first_block = bfd_tell (el->my_archive);
1278 vec->dcxsbms = bfd_libdata (el->my_archive)->dcxsbm;
1280 if (vec->dcxsbms != NULL)
1283 vec->dcx_max = 10 * 1024;
1284 vec->dcx_buf = bfd_alloc (el, vec->dcx_max);
1286 if (vec->dcx_buf == NULL)
1292 /* Get member MODIDX. Return NULL in case of error. */
1295 _bfd_vms_lib_get_module (bfd *abfd, unsigned int modidx)
1297 struct lib_tdata *tdata = bfd_libdata (abfd);
1303 if (modidx >= tdata->nbr_modules)
1306 /* Already loaded. */
1307 if (tdata->cache[modidx])
1308 return tdata->cache[modidx];
1311 file_off = tdata->modules[modidx].file_offset;
1312 if (tdata->type != LBR__C_TYP_IOBJ)
1314 res = _bfd_create_empty_archive_element_shell (abfd);
1318 /* Special reader to deal with data blocks. */
1319 if (!vms_lib_bopen (res, file_off))
1325 struct vms_mhd *mhd;
1326 struct areltdata *arelt;
1328 /* Sanity check. The MHD must be big enough to contain module size. */
1329 if (tdata->mhd_size < offsetof (struct vms_mhd, modsize) + 4)
1332 /* Read the MHD now. */
1333 if (bfd_seek (abfd, file_off, SEEK_SET) != 0)
1335 if (bfd_bread (buf, tdata->mhd_size, abfd) != tdata->mhd_size)
1338 res = _bfd_create_empty_archive_element_shell (abfd);
1341 arelt = bfd_zmalloc (sizeof (*arelt));
1344 res->arelt_data = arelt;
1346 /* Get info from mhd. */
1347 mhd = (struct vms_mhd *)buf;
1348 if (mhd->id != MHD__C_MHDID)
1350 if (tdata->mhd_size >= offsetof (struct vms_mhd, objstat) + 1)
1351 res->selective_search = (mhd->objstat & MHD__M_SELSRC) ? 1 : 0;
1352 res->mtime = vms_rawtime_to_time_t (mhd->datim);
1353 res->mtime_set = TRUE;
1355 arelt->parsed_size = bfd_getl32 (mhd->modsize);
1357 /* No need for a special reader as members are stored linearly.
1358 Just skip the MHD. */
1359 res->origin = file_off + tdata->mhd_size;
1363 name = tdata->modules[modidx].name;
1364 switch (tdata->type)
1366 case LBR__C_TYP_IOBJ:
1367 case LBR__C_TYP_EOBJ:
1368 /* For object archives, append .obj to mimic standard behaviour. */
1370 size_t namelen = strlen (name);
1371 char *name1 = bfd_alloc (res, namelen + 4 + 1);
1372 memcpy (name1, name, namelen);
1373 strcpy (name1 + namelen, ".obj");
1380 res->filename = xstrdup (name);
1382 tdata->cache[modidx] = res;
1387 /* Standard function: get member at IDX. */
1390 _bfd_vms_lib_get_elt_at_index (bfd *abfd, symindex symidx)
1392 struct lib_tdata *tdata = bfd_libdata (abfd);
1394 unsigned int modidx;
1397 if (symidx > tdata->artdata.symdef_count)
1399 file_off = tdata->artdata.symdefs[symidx].file_offset;
1402 for (modidx = 0; modidx < tdata->nbr_modules; modidx++)
1404 if (tdata->modules[modidx].file_offset == file_off)
1407 if (modidx >= tdata->nbr_modules)
1410 return _bfd_vms_lib_get_module (abfd, modidx);
1413 /* Elements of an imagelib are stubs. You can get the real image with this
1417 _bfd_vms_lib_get_imagelib_file (bfd *el)
1419 bfd *archive = el->my_archive;
1420 const char *modname = el->filename;
1421 int modlen = strlen (modname);
1426 /* Convert module name to lower case and append '.exe'. */
1427 filename = bfd_alloc (el, modlen + 5);
1428 if (filename == NULL)
1430 for (j = 0; j < modlen; j++)
1431 if (ISALPHA (modname[j]))
1432 filename[j] = TOLOWER (modname[j]);
1434 filename[j] = modname[j];
1435 memcpy (filename + modlen, ".exe", 5);
1437 filename = _bfd_append_relative_path (archive, filename);
1438 if (filename == NULL)
1440 res = bfd_openr (filename, NULL);
1444 /* xgettext:c-format */
1445 _bfd_error_handler(_("could not open shared image '%s' from '%s'"),
1446 filename, archive->filename);
1447 bfd_release (archive, filename);
1451 /* FIXME: put it in a cache ? */
1455 /* Standard function. */
1458 _bfd_vms_lib_openr_next_archived_file (bfd *archive,
1467 idx = last_file->proxy_origin + 1;
1469 if (idx >= bfd_libdata (archive)->nbr_modules)
1471 bfd_set_error (bfd_error_no_more_archived_files);
1475 res = _bfd_vms_lib_get_module (archive, idx);
1478 res->proxy_origin = idx;
1482 /* Standard function. Just compute the length. */
1485 _bfd_vms_lib_generic_stat_arch_elt (bfd *abfd, struct stat *st)
1487 struct lib_tdata *tdata;
1490 if (abfd->my_archive == NULL)
1492 bfd_set_error (bfd_error_invalid_operation);
1496 tdata = bfd_libdata (abfd->my_archive);
1497 if (tdata->type != LBR__C_TYP_IOBJ)
1499 struct vms_lib_iovec *vec = (struct vms_lib_iovec *) abfd->iostream;
1501 if (vec->file_len == (ufile_ptr)-1)
1503 if (vms_lib_bseek (abfd, 0, SEEK_SET) != 0)
1506 /* Compute length. */
1507 while (vms_lib_bread (abfd, NULL, 1 << 20) > 0)
1510 st->st_size = vec->file_len;
1514 st->st_size = ((struct areltdata *)abfd->arelt_data)->parsed_size;
1517 if (abfd->mtime_set)
1518 st->st_mtime = abfd->mtime;
1528 /* Internal representation of an index entry. */
1532 /* Corresponding archive member. */
1535 /* Number of reference to this entry. */
1538 /* Length of the key. */
1539 unsigned short namlen;
1545 /* Used to sort index entries. */
1548 lib_index_cmp (const void *lv, const void *rv)
1550 const struct lib_index *l = lv;
1551 const struct lib_index *r = rv;
1553 return strcmp (l->name, r->name);
1556 /* Maximum number of index blocks level. */
1558 #define MAX_LEVEL 10
1560 /* Get the size of an index entry. */
1563 get_idxlen (struct lib_index *idx, bfd_boolean is_elfidx)
1567 /* 9 is the size of struct vms_elfidx without keyname. */
1568 if (idx->namlen > MAX_KEYLEN)
1569 return 9 + sizeof (struct vms_kbn);
1571 return 9 + idx->namlen;
1575 /* 7 is the size of struct vms_idx without keyname. */
1576 return 7 + idx->namlen;
1580 /* Write the index composed by NBR symbols contained in IDX.
1581 VBN is the first vbn to be used, and will contain on return the last vbn.
1582 Can be called with ABFD set to NULL just to size the index.
1583 If not null, TOPVBN will be assigned to the vbn of the root index tree.
1584 IS_ELFIDX is true for elfidx (ie ia64) indexes layout.
1585 Return TRUE on success. */
1588 vms_write_index (bfd *abfd,
1589 struct lib_index *idx, unsigned int nbr, unsigned int *vbn,
1590 unsigned int *topvbn, bfd_boolean is_elfidx)
1592 /* The index is organized as a tree. This function implements a naive
1593 algorithm to balance the tree: it fills the leaves, and create a new
1594 branch when all upper leaves and branches are full. We only keep in
1595 memory a path to the current leaf. */
1599 /* Disk blocks for the current path. */
1600 struct vms_indexdef *rblk[MAX_LEVEL];
1601 /* Info on the current blocks. */
1604 unsigned int vbn; /* VBN of the block. */
1605 /* The last entry is identified so that it could be copied to the
1607 unsigned short len; /* Length up to the last entry. */
1608 unsigned short lastlen; /* Length of the last entry. */
1611 /* The kbn blocks are used to store long symbol names. */
1612 unsigned int kbn_sz = 0; /* Number of bytes available in the kbn block. */
1613 unsigned int kbn_vbn = 0; /* VBN of the kbn block. */
1614 unsigned char *kbn_blk = NULL; /* Contents of the kbn block. */
1618 /* No entries. Very easy to handle. */
1626 /* Sort the index the first time this function is called. */
1627 qsort (idx, nbr, sizeof (struct lib_index), lib_index_cmp);
1630 /* Allocate first index block. */
1633 rblk[0] = bfd_zmalloc (sizeof (struct vms_indexdef));
1634 blk[0].vbn = (*vbn)++;
1638 for (i = 0; i < nbr; i++, idx++)
1640 unsigned int idxlen;
1642 unsigned int key_vbn = 0;
1643 unsigned int key_off = 0;
1645 idxlen = get_idxlen (idx, is_elfidx);
1647 if (is_elfidx && idx->namlen > MAX_KEYLEN)
1649 /* If the key (ie name) is too long, write it in the kbn block. */
1650 unsigned int kl = idx->namlen;
1651 unsigned int kl_chunk;
1652 const char *key = idx->name;
1654 /* Write the key in the kbn, chunk after chunk. */
1657 if (kbn_sz < sizeof (struct vms_kbn))
1659 /* Not enough room in the kbn block. */
1662 /* Write it to the disk (if there is one). */
1665 if (!vms_write_block (abfd, kbn_vbn, kbn_blk))
1670 kbn_blk = bfd_malloc (VMS_BLOCK_SIZE);
1671 if (kbn_blk == NULL)
1674 *(unsigned short *)kbn_blk = 0;
1676 /* Allocate a new block for the keys. */
1678 kbn_sz = VMS_BLOCK_SIZE - 2;
1680 /* Size of the chunk written to the current key block. */
1681 if (kl + sizeof (struct vms_kbn) > kbn_sz)
1682 kl_chunk = kbn_sz - sizeof (struct vms_kbn);
1686 if (kbn_blk != NULL)
1688 struct vms_kbn *kbn;
1690 kbn = (struct vms_kbn *)(kbn_blk + VMS_BLOCK_SIZE - kbn_sz);
1694 /* Save the rfa of the first chunk. */
1696 key_off = VMS_BLOCK_SIZE - kbn_sz;
1699 bfd_putl16 (kl_chunk, kbn->keylen);
1702 /* No next chunk. */
1703 bfd_putl32 (0, kbn->rfa.vbn);
1704 bfd_putl16 (0, kbn->rfa.offset);
1708 /* Next chunk will be at the start of the next block. */
1709 bfd_putl32 (*vbn, kbn->rfa.vbn);
1710 bfd_putl16 (2, kbn->rfa.offset);
1712 memcpy ((char *)(kbn + 1), key, kl_chunk);
1716 kl_chunk = (kl_chunk + 1) & ~1; /* Always align. */
1717 kbn_sz -= kl_chunk + sizeof (struct vms_kbn);
1722 /* Check if a block might overflow. In this case we will flush this
1723 block and all the blocks below it. */
1724 for (j = 0; j < level; j++)
1725 if (blk[j].len + blk[j].lastlen + idxlen > INDEXDEF__BLKSIZ)
1728 for (j = 0; j < level; j++)
1732 /* There is not enough room to write the new entry in this
1733 block or in a parent block. */
1737 BFD_ASSERT (level < MAX_LEVEL);
1739 /* Need to create a parent. */
1742 rblk[level] = bfd_zmalloc (sizeof (struct vms_indexdef));
1743 bfd_putl32 (*vbn, rblk[j]->parent);
1745 blk[level].vbn = (*vbn)++;
1747 blk[level].lastlen = blk[j].lastlen;
1752 /* Update parent block: write the last entry from the current
1756 struct vms_rfa *rfa;
1758 /* Pointer to the last entry in parent block. */
1759 rfa = (struct vms_rfa *)(rblk[j + 1]->keys + blk[j + 1].len);
1761 /* Copy the whole entry. */
1762 BFD_ASSERT (blk[j + 1].lastlen == blk[j].lastlen);
1763 memcpy (rfa, rblk[j]->keys + blk[j].len, blk[j].lastlen);
1764 /* Fix the entry (which in always the first field of an
1766 bfd_putl32 (blk[j].vbn, rfa->vbn);
1767 bfd_putl16 (RFADEF__C_INDEX, rfa->offset);
1772 /* And allocate it. Do it only on the block that won't be
1773 flushed (so that the parent of the parent can be
1775 blk[j + 1].len += blk[j + 1].lastlen;
1776 blk[j + 1].lastlen = 0;
1779 /* Write this block on the disk. */
1782 bfd_putl16 (blk[j].len + blk[j].lastlen, rblk[j]->used);
1783 if (!vms_write_block (abfd, blk[j].vbn, rblk[j]))
1787 /* Reset this block. */
1790 blk[j].vbn = (*vbn)++;
1793 /* Append it to the block. */
1796 /* Keep the previous last entry. */
1797 blk[j].len += blk[j].lastlen;
1801 struct vms_rfa *rfa;
1803 rfa = (struct vms_rfa *)(rblk[j]->keys + blk[j].len);
1804 bfd_putl32 ((idx->abfd->proxy_origin / VMS_BLOCK_SIZE) + 1,
1807 ((idx->abfd->proxy_origin % VMS_BLOCK_SIZE)
1808 + (is_elfidx ? 0 : DATA__DATA),
1813 /* Use elfidx format. */
1814 struct vms_elfidx *en = (struct vms_elfidx *)rfa;
1819 /* Long symbol name. */
1820 struct vms_kbn *k = (struct vms_kbn *)(en->keyname);
1821 bfd_putl16 (sizeof (struct vms_kbn), en->keylen);
1822 bfd_putl16 (idx->namlen, k->keylen);
1823 bfd_putl32 (key_vbn, k->rfa.vbn);
1824 bfd_putl16 (key_off, k->rfa.offset);
1825 en->flags |= ELFIDX__SYMESC;
1829 bfd_putl16 (idx->namlen, en->keylen);
1830 memcpy (en->keyname, idx->name, idx->namlen);
1835 /* Use idx format. */
1836 struct vms_idx *en = (struct vms_idx *)rfa;
1837 en->keylen = idx->namlen;
1838 memcpy (en->keyname, idx->name, idx->namlen);
1842 /* The last added key can now be the last one all blocks in the
1844 blk[j].lastlen = idxlen;
1848 /* Save VBN of the root. */
1850 *topvbn = blk[level - 1].vbn;
1856 for (j = 1; j < level; j++)
1858 /* Update parent block: write the new entry. */
1861 struct vms_rfa *rfa;
1863 en = rblk[j - 1]->keys + blk[j - 1].len;
1864 par = rblk[j]->keys + blk[j].len;
1865 BFD_ASSERT (blk[j].lastlen == blk[j - 1].lastlen);
1866 memcpy (par, en, blk[j - 1].lastlen);
1867 rfa = (struct vms_rfa *)par;
1868 bfd_putl32 (blk[j - 1].vbn, rfa->vbn);
1869 bfd_putl16 (RFADEF__C_INDEX, rfa->offset);
1872 for (j = 0; j < level; j++)
1874 /* Write this block on the disk. */
1875 bfd_putl16 (blk[j].len + blk[j].lastlen, rblk[j]->used);
1876 if (!vms_write_block (abfd, blk[j].vbn, rblk[j]))
1882 /* Write the last kbn (if any). */
1885 if (!vms_write_block (abfd, kbn_vbn, kbn_blk))
1893 /* Append data to the data block DATA. Force write if PAD is true. */
1896 vms_write_data_block (bfd *arch, struct vms_datadef *data, file_ptr *off,
1897 const unsigned char *buf, unsigned int len, int pad)
1899 while (len > 0 || pad)
1901 unsigned int doff = *off & (VMS_BLOCK_SIZE - 1);
1902 unsigned int remlen = (DATA__LENGTH - DATA__DATA) - doff;
1905 l = (len > remlen) ? remlen : len;
1906 memcpy (data->data + doff, buf, l);
1912 if (doff == (DATA__LENGTH - DATA__DATA) || (len == 0 && pad))
1916 bfd_putl32 ((*off / VMS_BLOCK_SIZE) + 2, data->link);
1918 if (bfd_bwrite (data, sizeof (*data), arch) != sizeof (*data))
1921 *off += DATA__LENGTH - doff;
1930 /* Build the symbols index. */
1933 _bfd_vms_lib_build_map (unsigned int nbr_modules,
1934 struct lib_index *modules,
1935 unsigned int *res_cnt,
1936 struct lib_index **res)
1939 asymbol **syms = NULL;
1941 struct lib_index *map = NULL;
1942 unsigned int map_max = 1024; /* Fine initial default. */
1943 unsigned int map_count = 0;
1945 map = (struct lib_index *) bfd_malloc (map_max * sizeof (struct lib_index));
1949 /* Gather symbols. */
1950 for (i = 0; i < nbr_modules; i++)
1955 bfd *current = modules[i].abfd;
1957 if ((bfd_get_file_flags (current) & HAS_SYMS) == 0)
1960 storage = bfd_get_symtab_upper_bound (current);
1966 if (storage > syms_max)
1971 syms = (asymbol **) bfd_malloc (syms_max);
1975 symcount = bfd_canonicalize_symtab (current, syms);
1979 /* Now map over all the symbols, picking out the ones we
1981 for (src_count = 0; src_count < symcount; src_count++)
1983 flagword flags = (syms[src_count])->flags;
1984 asection *sec = syms[src_count]->section;
1986 if ((flags & BSF_GLOBAL
1988 || flags & BSF_INDIRECT
1989 || bfd_is_com_section (sec))
1990 && ! bfd_is_und_section (sec))
1992 struct lib_index *new_map;
1994 /* This symbol will go into the archive header. */
1995 if (map_count == map_max)
1998 new_map = (struct lib_index *)
1999 bfd_realloc (map, map_max * sizeof (struct lib_index));
2000 if (new_map == NULL)
2005 map[map_count].abfd = current;
2006 map[map_count].namlen = strlen (syms[src_count]->name);
2007 map[map_count].name = syms[src_count]->name;
2015 *res_cnt = map_count;
2027 /* Do the hard work: write an archive on the disk. */
2030 _bfd_vms_lib_write_archive_contents (bfd *arch)
2033 unsigned int nbr_modules;
2034 struct lib_index *modules;
2035 unsigned int nbr_symbols;
2036 struct lib_index *symbols;
2037 struct lib_tdata *tdata = bfd_libdata (arch);
2040 unsigned int nbr_mod_iblk;
2041 unsigned int nbr_sym_iblk;
2043 unsigned int mod_idx_vbn;
2044 unsigned int sym_idx_vbn;
2045 bfd_boolean is_elfidx = tdata->kind == vms_lib_ia64;
2046 unsigned int max_keylen = is_elfidx ? MAX_EKEYLEN : MAX_KEYLEN;
2048 /* Count the number of modules (and do a first sanity check). */
2050 for (current = arch->archive_head;
2052 current = current->archive_next)
2054 /* This check is checking the bfds for the objects we're reading
2055 from (which are usually either an object file or archive on
2056 disk), not the archive entries we're writing to. We don't
2057 actually create bfds for the archive members, we just copy
2058 them byte-wise when we write out the archive. */
2059 if (bfd_write_p (current) || !bfd_check_format (current, bfd_object))
2061 bfd_set_error (bfd_error_invalid_operation);
2068 /* Build the modules list. */
2069 BFD_ASSERT (tdata->modules == NULL);
2070 modules = bfd_alloc (arch, nbr_modules * sizeof (struct lib_index));
2071 if (modules == NULL)
2074 for (current = arch->archive_head, i = 0;
2076 current = current->archive_next, i++)
2080 modules[i].abfd = current;
2081 modules[i].name = vms_get_module_name (current->filename, FALSE);
2084 /* FIXME: silently truncate long names ? */
2085 nl = strlen (modules[i].name);
2086 modules[i].namlen = (nl > max_keylen ? max_keylen : nl);
2089 /* Create the module index. */
2091 if (!vms_write_index (NULL, modules, nbr_modules, &vbn, NULL, is_elfidx))
2095 /* Create symbol index. */
2096 if (!_bfd_vms_lib_build_map (nbr_modules, modules, &nbr_symbols, &symbols))
2100 if (!vms_write_index (NULL, symbols, nbr_symbols, &vbn, NULL, is_elfidx))
2104 /* Write modules and remember their position. */
2105 off = (1 + nbr_mod_iblk + nbr_sym_iblk) * VMS_BLOCK_SIZE;
2107 if (bfd_seek (arch, off, SEEK_SET) != 0)
2110 for (i = 0; i < nbr_modules; i++)
2112 struct vms_datadef data;
2113 unsigned char blk[VMS_BLOCK_SIZE];
2114 struct vms_mhd *mhd;
2117 current = modules[i].abfd;
2118 current->proxy_origin = off;
2124 /* Write the MHD as a record (ie, size first). */
2126 bfd_putl16 (tdata->mhd_size, blk);
2128 mhd = (struct vms_mhd *)(blk + sz);
2129 memset (mhd, 0, sizeof (struct vms_mhd));
2131 mhd->id = MHD__C_MHDID;
2133 memcpy (mhd->objid, "V1.0", 4);
2134 bfd_putl32 (modules[i].ref, mhd->refcnt);
2137 sz += tdata->mhd_size;
2140 /* Rewind the member to be put into the archive. */
2141 if (bfd_seek (current, 0, SEEK_SET) != 0)
2144 /* Copy the member into the archive. */
2147 unsigned int modsize = 0;
2149 file_ptr off_hdr = off;
2151 /* Read to complete the first block. */
2152 amt = bfd_bread (blk + sz, VMS_BLOCK_SIZE - sz, current);
2153 if (amt == (bfd_size_type)-1)
2156 if (amt < VMS_BLOCK_SIZE - sz)
2158 /* The member size is less than a block. Pad the block. */
2159 memset (blk + sz + amt, 0, VMS_BLOCK_SIZE - sz - amt);
2161 bfd_putl32 (modsize, mhd->modsize);
2163 /* Write the first block (which contains an mhd). */
2164 if (bfd_bwrite (blk, VMS_BLOCK_SIZE, arch) != VMS_BLOCK_SIZE)
2166 off += VMS_BLOCK_SIZE;
2168 if (amt == VMS_BLOCK_SIZE - sz)
2170 /* Copy the remaining. */
2171 char buffer[DEFAULT_BUFFERSIZE];
2175 amt = bfd_bread (buffer, sizeof (buffer), current);
2176 if (amt == (bfd_size_type)-1)
2181 if (amt != sizeof (buffer))
2183 /* Clear the padding. */
2184 memset (buffer + amt, 0, sizeof (buffer) - amt);
2185 amt = (amt + VMS_BLOCK_SIZE) & ~(VMS_BLOCK_SIZE - 1);
2187 if (bfd_bwrite (buffer, amt, arch) != amt)
2192 /* Now that the size is known, write the first block (again). */
2193 bfd_putl32 (modsize, mhd->modsize);
2194 if (bfd_seek (arch, off_hdr, SEEK_SET) != 0
2195 || bfd_bwrite (blk, VMS_BLOCK_SIZE, arch) != VMS_BLOCK_SIZE)
2197 if (bfd_seek (arch, off, SEEK_SET) != 0)
2203 /* Write the MHD. */
2204 if (vms_write_data_block (arch, &data, &off, blk, sz, 0) < 0)
2207 /* Write the member. */
2210 sz = bfd_bread (blk, sizeof (blk), current);
2213 if (vms_write_data_block (arch, &data, &off, blk, sz, 0) < 0)
2217 /* Write the end of module marker. */
2218 if (vms_write_data_block (arch, &data, &off,
2219 eotdesc, sizeof (eotdesc), 1) < 0)
2224 /* Write the indexes. */
2226 if (!vms_write_index (arch, modules, nbr_modules, &vbn, &mod_idx_vbn,
2229 if (!vms_write_index (arch, symbols, nbr_symbols, &vbn, &sym_idx_vbn,
2233 /* Write libary header. */
2235 unsigned char blk[VMS_BLOCK_SIZE];
2236 struct vms_lhd *lhd = (struct vms_lhd *)blk;
2237 struct vms_idd *idd = (struct vms_idd *)(blk + sizeof (*lhd));
2238 unsigned int idd_flags;
2239 unsigned int saneid;
2241 memset (blk, 0, sizeof (blk));
2243 lhd->type = tdata->type;
2245 switch (tdata->kind)
2248 saneid = LHD_SANEID3;
2251 saneid = LHD_SANEID6;
2256 bfd_putl32 (saneid, lhd->sanity);
2257 bfd_putl16 (tdata->ver, lhd->majorid);
2258 bfd_putl16 (0, lhd->minorid);
2259 snprintf ((char *)lhd->lbrver + 1, sizeof (lhd->lbrver) - 1,
2261 (unsigned)(BFD_VERSION / 100000000UL),
2262 (unsigned)(BFD_VERSION / 1000000UL) % 100,
2263 (unsigned)(BFD_VERSION / 10000UL) % 100);
2264 lhd->lbrver[sizeof (lhd->lbrver) - 1] = 0;
2265 lhd->lbrver[0] = strlen ((char *)lhd->lbrver + 1);
2267 bfd_putl32 (tdata->credat_lo, lhd->credat + 0);
2268 bfd_putl32 (tdata->credat_hi, lhd->credat + 4);
2269 vms_raw_get_time (lhd->updtim);
2271 lhd->mhdusz = tdata->mhd_size - MHD__C_USRDAT;
2273 bfd_putl32 (nbr_modules + nbr_symbols, lhd->idxcnt);
2274 bfd_putl32 (nbr_modules, lhd->modcnt);
2275 bfd_putl32 (nbr_modules, lhd->modhdrs);
2277 /* Number of blocks for index. */
2278 bfd_putl32 (nbr_mod_iblk + nbr_sym_iblk, lhd->idxblks);
2279 bfd_putl32 (vbn - 1, lhd->hipreal);
2280 bfd_putl32 (vbn - 1, lhd->hiprusd);
2282 /* VBN of the next free block. */
2283 bfd_putl32 ((off / VMS_BLOCK_SIZE) + 1, lhd->nextvbn);
2284 bfd_putl32 ((off / VMS_BLOCK_SIZE) + 1, lhd->nextrfa + 0);
2285 bfd_putl16 (0, lhd->nextrfa + 4);
2287 /* First index (modules name). */
2288 idd_flags = IDD__FLAGS_ASCII | IDD__FLAGS_VARLENIDX
2289 | IDD__FLAGS_NOCASECMP | IDD__FLAGS_NOCASENTR;
2290 bfd_putl16 (idd_flags, idd->flags);
2291 bfd_putl16 (max_keylen + 1, idd->keylen);
2292 bfd_putl16 (mod_idx_vbn, idd->vbn);
2295 /* Second index (symbols name). */
2296 bfd_putl16 (idd_flags, idd->flags);
2297 bfd_putl16 (max_keylen + 1, idd->keylen);
2298 bfd_putl16 (sym_idx_vbn, idd->vbn);
2301 if (!vms_write_block (arch, 1, blk))
2308 bfd_set_input_error (current, bfd_get_error ());
2312 /* Add a target for text library. This costs almost nothing and is useful to
2313 read VMS library on the host. */
2315 const bfd_target alpha_vms_lib_txt_vec =
2317 "vms-libtxt", /* Name. */
2318 bfd_target_unknown_flavour,
2319 BFD_ENDIAN_UNKNOWN, /* byteorder */
2320 BFD_ENDIAN_UNKNOWN, /* header_byteorder */
2321 0, /* Object flags. */
2322 0, /* Sect flags. */
2323 0, /* symbol_leading_char. */
2324 ' ', /* ar_pad_char. */
2325 15, /* ar_max_namelen. */
2326 0, /* match priority. */
2327 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
2328 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
2329 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
2330 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
2331 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
2332 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
2333 { /* bfd_check_format. */
2336 _bfd_vms_lib_txt_archive_p,
2339 { /* bfd_set_format. */
2340 _bfd_bool_bfd_false_error,
2341 _bfd_bool_bfd_false_error,
2342 _bfd_bool_bfd_false_error,
2343 _bfd_bool_bfd_false_error
2345 { /* bfd_write_contents. */
2346 _bfd_bool_bfd_false_error,
2347 _bfd_bool_bfd_false_error,
2348 _bfd_bool_bfd_false_error,
2349 _bfd_bool_bfd_false_error
2351 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
2352 BFD_JUMP_TABLE_COPY (_bfd_generic),
2353 BFD_JUMP_TABLE_CORE (_bfd_nocore),
2354 BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib),
2355 BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
2356 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
2357 BFD_JUMP_TABLE_WRITE (_bfd_nowrite),
2358 BFD_JUMP_TABLE_LINK (_bfd_nolink),
2359 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),