/* vms.c -- BFD back-end for EVAX (openVMS/Alpha) files.
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009, 2010, 2011 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.
/* linkage index counter used by conditional store commands */
unsigned int vms_linkage_index;
-
- /* see tc-alpha.c of gas for a description. */
- int flag_hash_long_names; /* -+, hash instead of truncate */
- int flag_show_after_trunc; /* -H, show hashing/truncation */
};
#define PRIV2(abfd, name) \
((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;
}
}
PRIV (recrd.rec) = buf;
if (bfd_bread (buf, test_len, abfd) != test_len)
- {
- bfd_set_error (bfd_error_file_truncated);
- goto error_ret;
- }
+ goto err_wrong_format;
/* Is it an image? */
if ((bfd_getl32 (buf) == EIHD__K_MAJORID)
if (buf == NULL)
{
PRIV (recrd.buf) = NULL;
- bfd_set_error (bfd_error_no_memory);
goto error_ret;
}
PRIV (recrd.buf) = buf;
while (remaining > 0)
{
if (bfd_bread (buf + read_so_far, to_read, abfd) != to_read)
- {
- bfd_set_error (bfd_error_file_truncated);
- goto err_wrong_format;
- }
+ goto err_wrong_format;
read_so_far += to_read;
remaining -= to_read;
/* 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)
return TRUE;
}
-/* This hash routine borrowed from GNU-EMACS, and strengthened
- slightly. ERY. */
-
-static int
-hash_string (const char *ptr)
-{
- const unsigned char *p = (unsigned char *) ptr;
- const unsigned char *end = p + strlen (ptr);
- unsigned char c;
- int hash = 0;
-
- while (p != end)
- {
- c = *p++;
- hash = ((hash << 3) + (hash << 15) + (hash >> 28) + c);
- }
- return hash;
-}
-
-/* Generate a length-hashed VMS symbol name (limited to maxlen chars). */
-
-static char *
-_bfd_vms_length_hash_symbol (bfd *abfd, const char *in, int maxlen)
-{
- unsigned long result;
- int in_len;
- char *new_name;
- const char *old_name;
- int i;
- static char outbuf[EOBJ__C_SYMSIZ + 1];
- char *out = outbuf;
-
-#if VMS_DEBUG
- vms_debug (4, "_bfd_vms_length_hash_symbol \"%s\"\n", in);
-#endif
-
- if (maxlen > EOBJ__C_SYMSIZ)
- maxlen = EOBJ__C_SYMSIZ;
-
- /* Save this for later. */
- new_name = out;
-
- /* We may need to truncate the symbol, save the hash for later. */
- in_len = strlen (in);
-
- result = (in_len > maxlen) ? hash_string (in) : 0;
-
- old_name = in;
-
- /* Do the length checking. */
- if (in_len <= maxlen)
- i = in_len;
- else
- {
- if (PRIV (flag_hash_long_names))
- i = maxlen - 9;
- else
- i = maxlen;
- }
-
- strncpy (out, in, (size_t) i);
- in += i;
- out += i;
-
- if ((in_len > maxlen)
- && PRIV (flag_hash_long_names))
- sprintf (out, "_%08lx", result);
- else
- *out = 0;
-
-#if VMS_DEBUG
- vms_debug (4, "--> [%d]\"%s\"\n", (int)strlen (outbuf), outbuf);
-#endif
-
- if (in_len > maxlen
- && PRIV (flag_hash_long_names)
- && PRIV (flag_show_after_trunc))
- printf (_("Symbol %s replaced by %s\n"), old_name, new_name);
-
- return outbuf;
-}
-
static void
vector_grow1 (struct vector_type *vec, size_t elsz)
{
for (i = 0; i < PRIV (gsd_sym_count); i++)
{
struct vms_symbol_entry *sym = PRIV (syms)[i];
- char *hash;
bfd_vma val;
bfd_vma ep;
_bfd_vms_output_quad (recwr, ep);
_bfd_vms_output_quad (recwr, val);
_bfd_vms_output_long (recwr, 0);
- hash = _bfd_vms_length_hash_symbol (abfd, sym->name, EOBJ__C_SYMSIZ);
- _bfd_vms_output_counted (recwr, hash);
+ _bfd_vms_output_counted (recwr, sym->name);
_bfd_vms_output_end_subrec (recwr);
if ((i % 5) == 4)
_bfd_vms_output_end (abfd, recwr);
else if ((*sname == 'l') && (strcmp (sname, "lcomm") == 0))
sname = EVAX_LOCAL_NAME;
}
- else
- sname = _bfd_vms_length_hash_symbol (abfd, sname, EOBJ__C_SECSIZ);
if (bfd_is_com_section (section))
new_flags = (EGPS__V_OVR | EGPS__V_REL | EGPS__V_GBL | EGPS__V_RD
for (symnum = 0; symnum < abfd->symcount; symnum++)
{
- char *hash;
-
symbol = abfd->outsymbols[symnum];
old_flags = symbol->flags;
/* Work-around a missing feature: consider __main as the main entry
point. */
- if (*(symbol->name) == '_')
- {
- if (strcmp (symbol->name, "__main") == 0)
- bfd_set_start_address (abfd, (bfd_vma)symbol->value);
- }
+ if (symbol->name[0] == '_' && strcmp (symbol->name, "__main") == 0)
+ bfd_set_start_address (abfd, (bfd_vma)symbol->value);
/* Only put in the GSD the global and the undefined symbols. */
if (old_flags & BSF_FILE)
_bfd_vms_output_long (recwr, ca_psindx);
_bfd_vms_output_long (recwr, psindx);
}
- hash = _bfd_vms_length_hash_symbol (abfd, symbol->name, EOBJ__C_SYMSIZ);
- _bfd_vms_output_counted (recwr, hash);
+ _bfd_vms_output_counted (recwr, symbol->name);
_bfd_vms_output_end_subrec (recwr);
}
{
asymbol *symbol;
unsigned int symnum;
- int had_case = 0;
- int had_file = 0;
struct vms_rec_wr *recwr = &PRIV (recwr);
vms_debug2 ((2, "vms_write_ehdr (%p)\n", abfd));
if (symbol->flags & BSF_FILE)
{
- if (CONST_STRNEQ ((char *)symbol->name, "<CASE:"))
- {
- PRIV (flag_hash_long_names) = symbol->name[6] - '0';
- PRIV (flag_show_after_trunc) = symbol->name[7] - '0';
-
- if (had_file)
- break;
- had_case = 1;
- continue;
- }
-
_bfd_vms_output_dump (recwr, (unsigned char *) symbol->name,
(int) strlen (symbol->name));
- if (had_case)
- break;
- had_file = 1;
+ break;
}
}
asection *sec = sym->section;
bfd_boolean defer = defer_reloc_p (rptr);
unsigned int slen;
- char *hash;
if (pass2_in_progress)
{
{
bfd_vma addend = rptr->addend;
slen = strlen ((char *) sym->name);
- hash = _bfd_vms_length_hash_symbol
- (abfd, sym->name, EOBJ__C_SYMSIZ);
etir_output_check (abfd, section, curr_addr, slen);
if (addend)
{
_bfd_vms_output_begin_subrec (recwr, ETIR__C_STA_GBL);
- _bfd_vms_output_counted (recwr, hash);
+ _bfd_vms_output_counted (recwr, sym->name);
_bfd_vms_output_end_subrec (recwr);
_bfd_vms_output_begin_subrec (recwr, ETIR__C_STA_LW);
_bfd_vms_output_long (recwr, (unsigned long) addend);
{
_bfd_vms_output_begin_subrec
(recwr, ETIR__C_STO_GBL_LW);
- _bfd_vms_output_counted (recwr, hash);
+ _bfd_vms_output_counted (recwr, sym->name);
_bfd_vms_output_end_subrec (recwr);
}
}
{
bfd_vma addend = rptr->addend;
slen = strlen ((char *) sym->name);
- hash = _bfd_vms_length_hash_symbol
- (abfd, sym->name, EOBJ__C_SYMSIZ);
etir_output_check (abfd, section, curr_addr, slen);
if (addend)
{
_bfd_vms_output_begin_subrec (recwr, ETIR__C_STA_GBL);
- _bfd_vms_output_counted (recwr, hash);
+ _bfd_vms_output_counted (recwr, sym->name);
_bfd_vms_output_end_subrec (recwr);
_bfd_vms_output_begin_subrec (recwr, ETIR__C_STA_QW);
_bfd_vms_output_quad (recwr, addend);
else
{
_bfd_vms_output_begin_subrec (recwr, ETIR__C_STO_GBL);
- _bfd_vms_output_counted (recwr, hash);
+ _bfd_vms_output_counted (recwr, sym->name);
_bfd_vms_output_end_subrec (recwr);
}
}
(recwr, (unsigned long) rptr->addend);
if (rptr->addend > PRIV (vms_linkage_index))
PRIV (vms_linkage_index) = rptr->addend;
- hash = _bfd_vms_length_hash_symbol
- (abfd, sym->name, EOBJ__C_SYMSIZ);
- _bfd_vms_output_counted (recwr, hash);
+ _bfd_vms_output_counted (recwr, sym->name);
_bfd_vms_output_byte (recwr, 0);
_bfd_vms_output_end_subrec (recwr);
break;
case ALPHA_R_CODEADDR:
slen = strlen ((char *) sym->name);
- hash = _bfd_vms_length_hash_symbol
- (abfd, sym->name, EOBJ__C_SYMSIZ);
etir_output_check (abfd, section, curr_addr, slen);
_bfd_vms_output_begin_subrec (recwr, ETIR__C_STO_CA);
- _bfd_vms_output_counted (recwr, hash);
+ _bfd_vms_output_counted (recwr, sym->name);
_bfd_vms_output_end_subrec (recwr);
break;
_bfd_vms_output_long
(recwr, (unsigned long) section->target_index);
_bfd_vms_output_quad (recwr, rptr->addend);
- _bfd_vms_output_counted
- (recwr, _bfd_vms_length_hash_symbol
- (abfd, udata->origname, EOBJ__C_SYMSIZ));
+ _bfd_vms_output_counted (recwr, udata->origname);
_bfd_vms_output_end_subrec (recwr);
break;
_bfd_vms_output_long
(recwr, (unsigned long) udata->bsym->section->target_index);
_bfd_vms_output_quad (recwr, rptr->addend);
- _bfd_vms_output_counted
- (recwr, _bfd_vms_length_hash_symbol
- (abfd, udata->origname, EOBJ__C_SYMSIZ));
+ _bfd_vms_output_counted (recwr, udata->origname);
_bfd_vms_output_end_subrec (recwr);
break;
_bfd_vms_output_long
(recwr, (unsigned long) section->target_index);
_bfd_vms_output_quad (recwr, rptr->addend);
- _bfd_vms_output_counted
- (recwr, _bfd_vms_length_hash_symbol
- (abfd, udata->origname, EOBJ__C_SYMSIZ));
+ _bfd_vms_output_counted (recwr, udata->origname);
_bfd_vms_output_end_subrec (recwr);
break;
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)
unsigned char *rec, unsigned int rec_len)
{
unsigned int off = sizeof (struct vms_egsd);
- unsigned int sec_len;
+ unsigned int sec_len = 0;
fprintf (file, _(" %s (len=%u+%u):\n"), name,
(unsigned)(rec_len - sizeof (struct vms_eobjrec)),
}
if (lpfixoff != 0)
{
- fprintf (file, _(" Linkage Pairs Referece Fixups:\n"));
+ fprintf (file, _(" Linkage Pairs Reference Fixups:\n"));
evax_bfd_print_reference_fixups (file, buf + lpfixoff);
}
if (chgprtoff)
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 *startbfd = NULL;
- for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
{
/* Consider only VMS object files. */
if (sub->xvec != abfd->xvec)
dmt = NULL;
/* Read all sections from the inputs. */
- for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
{
if (sub->flags & DYNAMIC)
{
unsigned int off = 0;
/* For each object file (ie for each module). */
- for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
{
asection *sub_dst;
struct vms_dmt_header *dmth = NULL;
{
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));
- bfd_set_section_alignment (abfd, section, 0);
+ 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);
vms_bfd_is_local_label_name (bfd * abfd ATTRIBUTE_UNUSED,
const char *name)
{
- vms_debug2 ((1, "vms_bfd_is_local_label_name (%p, %s)\n", abfd, name));
return name[0] == '$';
}
\f
((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 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_generic_section_already_linked
#define alpha_vms_bfd_define_common_symbol bfd_generic_define_common_symbol
-#define alpha_vms_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
#define alpha_vms_bfd_link_just_syms _bfd_generic_link_just_syms
#define alpha_vms_bfd_copy_link_hash_symbol_type \
_bfd_generic_copy_link_hash_symbol_type
_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 vms_alpha_vec =
+const bfd_target alpha_vms_vec =
{
"vms-alpha", /* Name. */
bfd_target_evax_flavour,
projects / deliverable / binutils-gdb.git / blobdiff