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| author | Tristan Gingold <gingold@adacore.com> | 2010-05-03 10:23:33 +0000 |
|---|---|---|
| committer | Tristan Gingold <gingold@adacore.com> | 2010-05-03 10:23:33 +0000 |
| commit | ab94b07c4b703fe5d21d08294f43b4c1499db16f (patch) | |
| tree | 9256df5b3d4d450b2b9372c08df2a2e331b076df /bfd/vms-lib.c | |
| parent | 7984d53228ace0dd98b75f566e62f1a0bb2a4a99 (diff) | |
| download | gdb-ab94b07c4b703fe5d21d08294f43b4c1499db16f.zip gdb-ab94b07c4b703fe5d21d08294f43b4c1499db16f.tar.gz gdb-ab94b07c4b703fe5d21d08294f43b4c1499db16f.tar.bz2 | |
bfd/
2010-05-03 Tristan Gingold <gingold@adacore.com>
* vms-lib.c (_bfd_vms_lib_archive_p): Adjust for a possible empty
next array.
(vms_lib_dcx): Adjust for the above change.
Diffstat (limited to 'bfd/vms-lib.c')
| -rw-r--r-- | bfd/vms-lib.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/bfd/vms-lib.c b/bfd/vms-lib.c index bd5ecb7..bbef19c 100644 --- a/bfd/vms-lib.c +++ b/bfd/vms-lib.c @@ -552,6 +552,7 @@ _bfd_vms_lib_archive_p (bfd *abfd, enum vms_lib_kind kind) struct dcxsbm_desc *sbmdesc = &tdata->dcxsbm[i]; unsigned int sbm_len; unsigned int sbm_sz; + unsigned int off; unsigned char *data = (unsigned char *)sbm; unsigned char *buf1; unsigned int l, j; @@ -565,16 +566,28 @@ _bfd_vms_lib_archive_p (bfd *abfd, enum vms_lib_kind kind) sbmdesc->max_char = sbm->max_char; sbm_len = sbmdesc->max_char - sbmdesc->min_char + 1; l = (2 * sbm_len + 7) / 8; - BFD_ASSERT (sbm_sz >= sizeof (struct vms_dcxsbm) + l + 3 * sbm_len); + BFD_ASSERT + (sbm_sz >= sizeof (struct vms_dcxsbm) + l + 3 * sbm_len + || (tdata->nbr_dcxsbm == 1 + && sbm_sz >= sizeof (struct vms_dcxsbm) + l + sbm_len)); sbmdesc->flags = (unsigned char *)bfd_alloc (abfd, l); memcpy (sbmdesc->flags, data + bfd_getl16 (sbm->flags), l); sbmdesc->nodes = (unsigned char *)bfd_alloc (abfd, 2 * sbm_len); memcpy (sbmdesc->nodes, data + bfd_getl16 (sbm->nodes), 2 * sbm_len); - sbmdesc->next = (unsigned short *)bfd_alloc - (abfd, sbm_len * sizeof (unsigned short)); - buf1 = data + bfd_getl16 (sbm->next); - for (j = 0; j < sbm_len; j++) - sbmdesc->next[j] = bfd_getl16 (buf1 + j * 2); + off = bfd_getl16 (sbm->next); + if (off != 0) + { + sbmdesc->next = (unsigned short *)bfd_alloc + (abfd, sbm_len * sizeof (unsigned short)); + buf1 = data + off; + for (j = 0; j < sbm_len; j++) + sbmdesc->next[j] = bfd_getl16 (buf1 + j * 2); + } + else + { + BFD_ASSERT (tdata->nbr_dcxsbm == 1); + sbmdesc->next = NULL; + } } free (buf); } @@ -850,7 +863,8 @@ vms_lib_dcx (struct vms_lib_iovec *vec, unsigned char *buf, file_ptr nbytes) { unsigned char v = sbm->nodes[offset]; - sbm = vec->dcxsbms + sbm->next[v]; + if (sbm->next != NULL) + sbm = vec->dcxsbms + sbm->next[v]; offset = 0; res++; |