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2010-04-30  Tristan Gingold  <gingold@adacore.com>

	* vms-lib.c (vms_read_block): New function.
	(vms_traverse_index): Use vms_read_block.  Handle long key names.

include/vms/
2010-04-30  Tristan Gingold  <gingold@adacore.com>

	* lbr.h (struct vms_kbn): New structure.
This commit is contained in:
Tristan Gingold 2010-04-30 12:44:51 +00:00
parent 8e57e1d134
commit 13a985e120
4 changed files with 92 additions and 11 deletions
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5
bfd/ChangeLog
View file

@ -1,3 +1,8 @@
2010-04-30 Tristan Gingold <gingold@adacore.com>
* vms-lib.c (vms_read_block): New function.
(vms_traverse_index): Use vms_read_block. Handle long key names.
2010-04-30 Tristan Gingold <gingold@adacore.com>
* vms-lib.c (struct lib_tdata): Field artdata added, fields nbr_syms

81
bfd/vms-lib.c
View file

@ -186,6 +186,22 @@ vms_add_indexes_from_list (bfd *abfd, struct carsym_mem *cs, char *name,
}
}
/* Read block VBN from ABFD and store it into BLK. */
static bfd_boolean
vms_read_block (bfd *abfd, unsigned int vbn, void *blk)
{
file_ptr off;
/* Read the index block. */
off = (vbn - 1) * VMS_BLOCK_SIZE;
if (bfd_seek (abfd, off, SEEK_SET) != 0
|| bfd_bread (blk, VMS_BLOCK_SIZE, abfd) != VMS_BLOCK_SIZE)
return FALSE;
return TRUE;
}
/* Read index block VBN and put the entry in **IDX (which is updated).
If the entry is indirect, recurse. */
@ -198,9 +214,8 @@ vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs)
unsigned char *endp;
/* Read the index block. */
off = (vbn - 1) * VMS_BLOCK_SIZE;
if (bfd_seek (abfd, off, SEEK_SET) != 0
|| bfd_bread (&indexdef, sizeof (indexdef), abfd) != sizeof (indexdef))
BFD_ASSERT (sizeof (indexdef) == VMS_BLOCK_SIZE);
if (!vms_read_block (abfd, vbn, &indexdef))
return FALSE;
/* Traverse it. */
@ -244,10 +259,6 @@ vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs)
if (idx_vbn == 0)
return FALSE;
/* Long symbol names are not yet supported. */
if (flags & ELFIDX__SYMESC)
return FALSE;
if (idx_off == RFADEF__C_INDEX)
{
/* Indirect entry. Recurse. */
@ -259,10 +270,58 @@ vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs)
/* Add a new entry. */
char *name;
name = bfd_alloc (abfd, keylen + 1);
if (name == NULL)
return FALSE;
memcpy (name, keyname, keylen);
if (flags & ELFIDX__SYMESC)
{
/* Extended key name. */
unsigned int noff = 0;
unsigned int koff;
unsigned int kvbn;
struct vms_kbn *kbn;
unsigned char kblk[VMS_BLOCK_SIZE];
/* Sanity check. */
if (keylen != sizeof (struct vms_kbn))
return FALSE;
kbn = (struct vms_kbn *)keyname;
keylen = bfd_getl16 (kbn->keylen);
name = bfd_alloc (abfd, keylen + 1);
if (name == NULL)
return FALSE;
kvbn = bfd_getl32 (kbn->rfa.vbn);
koff = bfd_getl16 (kbn->rfa.offset);
/* Read the key, chunk by chunk. */
do
{
unsigned int klen;
if (!vms_read_block (abfd, kvbn, kblk))
return FALSE;
kbn = (struct vms_kbn *)(kblk + koff);
klen = bfd_getl16 (kbn->keylen);
kvbn = bfd_getl32 (kbn->rfa.vbn);
koff = bfd_getl16 (kbn->rfa.offset);
memcpy (name + noff, kbn + 1, klen);
noff += klen;
}
while (kvbn != 0);
/* Sanity check. */
if (noff != keylen)
return FALSE;
}
else
{
/* Usual key name. */
name = bfd_alloc (abfd, keylen + 1);
if (name == NULL)
return FALSE;
memcpy (name, keyname, keylen);
}
name[keylen] = 0;
if (flags & ELFIDX__LISTRFA)

4
include/vms/ChangeLog
View file

@ -1,3 +1,7 @@
2010-04-30 Tristan Gingold <gingold@adacore.com>
* lbr.h (struct vms_kbn): New structure.
2010-04-30 Tristan Gingold <gingold@adacore.com>
* lbr.h (LBR__C_TYP_ISHSTB): Added.

13
include/vms/lbr.h
View file

@ -255,6 +255,19 @@ struct vms_datadef
#define DATA__LENGTH 512
#define DATA__DATA 6
/* Key name block. This is used for keys longer than 128 bytes. */
struct vms_kbn
{
/* Length of the key chunk. */
unsigned char keylen[2];
/* RFA of the next chunk. */
struct vms_rfa rfa;
/* Followed by the key chunk. */
};
/* Module header. */
struct vms_mhd
{