/* vms.c -- BFD back-end for EVAX (openVMS/Alpha) files.
- Copyright (C) 1996-2014 Free Software Foundation, Inc.
+ Copyright (C) 1996-2016 Free Software Foundation, Inc.
Initial version written by Klaus Kaempf (kkaempf@rmi.de)
Major rewrite by Adacore.
((struct vms_section_data_struct *)sec->used_by_bfd)
/* To be called from the debugger. */
-struct vms_private_data_struct *bfd_vms_get_data (bfd *abfd);
+struct vms_private_data_struct *bfd_vms_get_data (bfd *);
-static int vms_get_remaining_object_record (bfd *abfd, int read_so_far);
+static int vms_get_remaining_object_record (bfd *, unsigned int);
static bfd_boolean _bfd_vms_slurp_object_records (bfd * abfd);
static void alpha_vms_add_fixup_lp (struct bfd_link_info *, bfd *, bfd *);
static void alpha_vms_add_fixup_ca (struct bfd_link_info *, bfd *, bfd *);
bfd_vma);
static void alpha_vms_add_fixup_lr (struct bfd_link_info *, unsigned int,
bfd_vma);
-static void alpha_vms_add_lw_reloc (struct bfd_link_info *info);
-static void alpha_vms_add_qw_reloc (struct bfd_link_info *info);
+static void alpha_vms_add_lw_reloc (struct bfd_link_info *);
+static void alpha_vms_add_qw_reloc (struct bfd_link_info *);
struct vector_type
{
asection *section;
flagword bfd_flags;
+ /* PR 17512: file: 3d9e9fe9. */
+ if (offset >= PRIV (recrd.rec_size))
+ return FALSE;
eisd = (struct vms_eisd *)(PRIV (recrd.rec) + offset);
rec_size = bfd_getl32 (eisd->eisdsize);
-
if (rec_size == 0)
break;
Return the size of the record or 0 on failure. */
static int
-vms_get_remaining_object_record (bfd *abfd, int read_so_far)
+vms_get_remaining_object_record (bfd *abfd, unsigned int read_so_far)
{
unsigned int to_read;
return 0;
PRIV (recrd.buf_size) = to_read;
}
+ /* PR 17512: file: 025-1974-0.004. */
+ else if (to_read <= read_so_far)
+ return 0;
/* Read the remaining record. */
to_read -= read_so_far;
{
unsigned char *ptr;
unsigned char *vms_rec;
+ unsigned char *end;
int subtype;
vms_rec = PRIV (recrd.rec);
+ /* PR 17512: file: 62736583. */
+ end = PRIV (recrd.buf) + PRIV (recrd.buf_size);
vms_debug2 ((2, "HDR/EMH\n"));
{
case EMH__C_MHD:
/* Module header. */
+ if (vms_rec + 21 >= end)
+ goto fail;
PRIV (hdr_data).hdr_b_strlvl = vms_rec[6];
PRIV (hdr_data).hdr_l_arch1 = bfd_getl32 (vms_rec + 8);
PRIV (hdr_data).hdr_l_arch2 = bfd_getl32 (vms_rec + 12);
PRIV (hdr_data).hdr_l_recsiz = bfd_getl32 (vms_rec + 16);
+ if ((vms_rec + 20 + vms_rec[20] + 1) >= end)
+ goto fail;
PRIV (hdr_data).hdr_t_name = _bfd_vms_save_counted_string (vms_rec + 20);
ptr = vms_rec + 20 + vms_rec[20] + 1;
+ if ((ptr + *ptr + 1) >= end)
+ goto fail;
PRIV (hdr_data).hdr_t_version =_bfd_vms_save_counted_string (ptr);
ptr += *ptr + 1;
+ if (ptr + 17 >= end)
+ goto fail;
PRIV (hdr_data).hdr_t_date = _bfd_vms_save_sized_string (ptr, 17);
break;
case EMH__C_LNM:
+ if (vms_rec + PRIV (recrd.rec_size - 6) > end)
+ goto fail;
PRIV (hdr_data).hdr_c_lnm =
_bfd_vms_save_sized_string (vms_rec, PRIV (recrd.rec_size - 6));
break;
case EMH__C_SRC:
+ if (vms_rec + PRIV (recrd.rec_size - 6) > end)
+ goto fail;
PRIV (hdr_data).hdr_c_src =
_bfd_vms_save_sized_string (vms_rec, PRIV (recrd.rec_size - 6));
break;
case EMH__C_TTL:
+ if (vms_rec + PRIV (recrd.rec_size - 6) > end)
+ goto fail;
PRIV (hdr_data).hdr_c_ttl =
_bfd_vms_save_sized_string (vms_rec, PRIV (recrd.rec_size - 6));
break;
break;
default:
+ fail:
bfd_set_error (bfd_error_wrong_format);
return FALSE;
}
*vma = 0;
else
{
- if (!(*info->callbacks->undefined_symbol)
- (info, name, abfd, PRIV (image_section), PRIV (image_offset), TRUE))
- abort ();
+ (*info->callbacks->undefined_symbol)
+ (info, name, abfd, PRIV (image_section), PRIV (image_offset), TRUE);
*vma = 0;
}
}
/* Reset the record pointer. */
PRIV (recrd.rec) = buf;
+ /* PR 17512: file: 7d7c57c2. */
+ if (PRIV (recrd.rec_size) < sizeof (struct vms_eihd))
+ goto error_ret;
vms_debug2 ((2, "file type is image\n"));
if (_bfd_vms_slurp_eihd (abfd, &eisd_offset, &eihs_offset) != TRUE)
location. */
static bfd_boolean
-_bfd_vms_find_nearest_dst_line (bfd *abfd, asection *section,
- asymbol **symbols ATTRIBUTE_UNUSED,
- bfd_vma offset, const char **file,
- const char **func, unsigned int *line)
+_bfd_vms_find_nearest_line (bfd *abfd,
+ asymbol **symbols ATTRIBUTE_UNUSED,
+ asection *section,
+ bfd_vma offset,
+ const char **file,
+ const char **func,
+ unsigned int *line,
+ unsigned int *discriminator)
{
struct module *module;
*file = NULL;
*func = NULL;
*line = 0;
+ if (discriminator)
+ *discriminator = 0;
/* We can't do anything if there is no DST (debug symbol table). */
if (PRIV (dst_section) == NULL)
return FALSE;
}
-
-/* Likewise but with a discriminator. */
-
-static bfd_boolean
-_bfd_vms_find_nearest_line_discriminator (bfd *abfd,
- asection *section,
- asymbol **symbols,
- bfd_vma offset,
- const char **filename_ptr,
- const char **functionname_ptr,
- unsigned int *line_ptr,
- unsigned int *discriminator)
-{
- *discriminator = 0;
-
- return _bfd_vms_find_nearest_dst_line (abfd, section, symbols, offset,
- filename_ptr, functionname_ptr,
- line_ptr);
-}
-
\f
/* Canonicalizations. */
/* Set name, value, section and flags of SYM from E. */
to include it. We don't need to check anything. */
if (!(*info->callbacks
->add_archive_element) (info, element, h->root.string, &element))
- return FALSE;
+ continue;
if (!alpha_vms_link_add_object_symbols (element, info))
return FALSE;
asection *dst;
asection *dmt;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
/* FIXME: we do not yet support relocatable link. It is not obvious
how to do it for debug infos. */
{
bfd_size_type amt;
- vms_debug2 ((1, "vms_new_section_hook (%p, [%d]%s)\n",
+ vms_debug2 ((1, "vms_new_section_hook (%p, [%u]%s)\n",
abfd, section->index, section->name));
if (! bfd_set_section_alignment (abfd, section, 0))
return FALSE;
- vms_debug2 ((7, "%d: %s\n", section->index, section->name));
+ vms_debug2 ((7, "%u: %s\n", section->index, section->name));
amt = sizeof (struct vms_section_data_struct);
section->used_by_bfd = bfd_zalloc (abfd, amt);
((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
#define alpha_vms_print_symbol vms_print_symbol
#define alpha_vms_get_symbol_info vms_get_symbol_info
+#define alpha_vms_get_symbol_version_string \
+ _bfd_nosymbols_get_symbol_version_string
+
#define alpha_vms_read_minisymbols _bfd_generic_read_minisymbols
#define alpha_vms_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
#define alpha_vms_get_lineno _bfd_nosymbols_get_lineno
#define alpha_vms_find_inliner_info _bfd_nosymbols_find_inliner_info
#define alpha_vms_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
-#define alpha_vms_find_nearest_line _bfd_vms_find_nearest_dst_line
-#define _bfd_generic_find_nearest_line_discriminator \
- _bfd_vms_find_nearest_line_discriminator
+#define alpha_vms_find_nearest_line _bfd_vms_find_nearest_line
+#define alpha_vms_find_line _bfd_nosymbols_find_line
#define alpha_vms_bfd_is_local_label_name vms_bfd_is_local_label_name
/* Generic table. */
_bfd_nodynamic_get_dynamic_reloc_upper_bound
#define alpha_vms_canonicalize_dynamic_reloc \
_bfd_nodynamic_canonicalize_dynamic_reloc
+#define alpha_vms_bfd_link_check_relocs _bfd_generic_link_check_relocs
const bfd_target alpha_vms_vec =
{
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