Ejemplo n.º 1
0
struct elf_strtab_hash *
_bfd_elf_strtab_init (void)
{
  struct elf_strtab_hash *table;
  bfd_size_type amt = sizeof (struct elf_strtab_hash);

  table = bfd_malloc (amt);
  if (table == NULL)
    return NULL;

  if (!bfd_hash_table_init (&table->table, elf_strtab_hash_newfunc,
			    sizeof (struct elf_strtab_hash_entry)))
    {
      free (table);
      return NULL;
    }

  table->sec_size = 0;
  table->size = 1;
  table->alloced = 64;
  amt = sizeof (struct elf_strtab_hasn_entry *);
  table->array = bfd_malloc (table->alloced * amt);
  if (table->array == NULL)
    {
      free (table);
      return NULL;
    }

  table->array[0] = NULL;

  return table;
}
Ejemplo n.º 2
0
struct m68hc11_cgc_link_hash_table*
m68hc11_cgc_hash_table_create (bfd *abfd)
{
  struct m68hc11_cgc_link_hash_table *ret;
  bfd_size_type amt = sizeof (struct m68hc11_cgc_link_hash_table);

  ret = (struct m68hc11_cgc_link_hash_table *) bfd_zmalloc (amt);
  if (ret == (struct m68hc11_cgc_link_hash_table *) NULL)
    return NULL;

  if (!_bfd_cgc_link_hash_table_init (&ret->root, abfd,
				      _bfd_cgc_link_hash_newfunc,
				      sizeof (struct cgc_link_hash_entry),
				      M68HC11_CGC_DATA))
    {
      free (ret);
      return NULL;
    }

  /* Init the stub hash table too.  */
  amt = sizeof (struct bfd_hash_table);
  ret->stub_hash_table = (struct bfd_hash_table*) bfd_malloc (amt);
  if (ret->stub_hash_table == NULL)
    {
      free (ret);
      return NULL;
    }
  if (!bfd_hash_table_init (ret->stub_hash_table, stub_hash_newfunc,
			    sizeof (struct cgc32_m68hc11_stub_hash_entry)))
    return NULL;

  return ret;
}
Ejemplo n.º 3
0
static bfd_boolean
funcvec_hash_table_init (struct funcvec_hash_table *table,
			 bfd *abfd,
			 struct bfd_hash_entry *(*newfunc)
			   (struct bfd_hash_entry *,
			    struct bfd_hash_table *,
			    const char *))
{
  /* Initialize our local fields, then call the generic initialization
     routine.  */
  table->offset = 0;
  table->abfd = abfd;
  return (bfd_hash_table_init (&table->root, newfunc));
}
Ejemplo n.º 4
0
static bfd_boolean
bfd_preserve_save (bfd *abfd, struct bfd_preserve *preserve)
{
  preserve->tdata = abfd->tdata.any;
  preserve->arch_info = abfd->arch_info;
  preserve->flags = abfd->flags;
  preserve->sections = abfd->sections;
  preserve->section_last = abfd->section_last;
  preserve->section_count = abfd->section_count;
  preserve->section_htab = abfd->section_htab;
  preserve->marker = bfd_alloc (abfd, 1);
  if (preserve->marker == NULL)
    return FALSE;

  return bfd_hash_table_init (&abfd->section_htab, bfd_section_hash_newfunc,
			      sizeof (struct section_hash_entry));
}
Ejemplo n.º 5
0
void
add_cref (const char *name,
          bfd *abfd,
          asection *section,
          bfd_vma value ATTRIBUTE_UNUSED)
{
    struct cref_hash_entry *h;
    struct cref_ref *r;

    if (! cref_initialized)
    {
        if (!bfd_hash_table_init (&cref_table.root, cref_hash_newfunc,
                                  sizeof (struct cref_hash_entry)))
            einfo (_("%X%P: bfd_hash_table_init of cref table failed: %E\n"));
        cref_initialized = TRUE;
    }

    h = cref_hash_lookup (&cref_table, name, TRUE, FALSE);
    if (h == NULL)
        einfo (_("%X%P: cref_hash_lookup failed: %E\n"));

    for (r = h->refs; r != NULL; r = r->next)
        if (r->abfd == abfd)
            break;

    if (r == NULL)
    {
        r = bfd_hash_allocate (&cref_table.root, sizeof *r);
        if (r == NULL)
            einfo (_("%X%P: cref alloc failed: %E\n"));
        r->next = h->refs;
        h->refs = r;
        r->abfd = abfd;
        r->def = FALSE;
        r->common = FALSE;
        r->undef = FALSE;
    }

    if (bfd_is_und_section (section))
        r->undef = TRUE;
    else if (bfd_is_com_section (section))
        r->common = TRUE;
    else
        r->def = TRUE;
}
Ejemplo n.º 6
0
bfd *
_bfd_new_bfd ()
{
  bfd *nbfd;

  nbfd = (bfd *) bfd_zmalloc ((bfd_size_type) sizeof (bfd));
  if (nbfd == NULL)
    return NULL;

  nbfd->memory = (PTR) objalloc_create ();
  if (nbfd->memory == NULL)
    {
      bfd_set_error (bfd_error_no_memory);
      free (nbfd);
      return NULL;
    }

  nbfd->arch_info = &bfd_default_arch_struct;

  nbfd->direction = no_direction;
  nbfd->iostream = NULL;
  nbfd->where = 0;
  if (!bfd_hash_table_init (&nbfd->section_htab, bfd_section_hash_newfunc))
    {
      free (nbfd);
      return NULL;
    }
  nbfd->sections = (asection *) NULL;
  nbfd->section_tail = &nbfd->sections;
  nbfd->format = bfd_unknown;
  nbfd->my_archive = (bfd *) NULL;
  nbfd->origin = 0;
  nbfd->opened_once = false;
  nbfd->output_has_begun = false;
  nbfd->section_count = 0;
  nbfd->usrdata = (PTR) NULL;
  nbfd->cacheable = false;
  nbfd->flags = BFD_NO_FLAGS;
  nbfd->mtime_set = false;

  return nbfd;
}
Ejemplo n.º 7
0
struct m68hc11_elf_link_hash_table*
m68hc11_elf_hash_table_create (bfd *abfd)
{
  struct m68hc11_elf_link_hash_table *ret;
  bfd_size_type amt = sizeof (struct m68hc11_elf_link_hash_table);

  ret = (struct m68hc11_elf_link_hash_table *) bfd_malloc (amt);
  if (ret == (struct m68hc11_elf_link_hash_table *) NULL)
    return NULL;

  memset (ret, 0, amt);
  if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
				      _bfd_elf_link_hash_newfunc,
				      sizeof (struct elf_link_hash_entry),
				      M68HC11_ELF_DATA))
    {
      free (ret);
      return NULL;
    }

  /* Init the stub hash table too.  */
  amt = sizeof (struct bfd_hash_table);
  ret->stub_hash_table = (struct bfd_hash_table*) bfd_malloc (amt);
  if (ret->stub_hash_table == NULL)
    {
      free (ret);
      return NULL;
    }
  if (!bfd_hash_table_init (ret->stub_hash_table, stub_hash_newfunc,
			    sizeof (struct elf32_m68hc11_stub_hash_entry)))
    return NULL;

  ret->stub_bfd = NULL;
  ret->stub_section = 0;
  ret->add_stub_section = NULL;
  ret->sym_cache.abfd = NULL;

  return ret;
}
Ejemplo n.º 8
0
static bfd_boolean
vms_initialize (bfd * abfd)
{
  int i;
  bfd_size_type amt;

  bfd_set_start_address(abfd, (bfd_vma)-1);

  amt = sizeof(struct vms_private_data_struct);
  abfd->tdata.any = bfd_alloc(abfd, amt);
  if (abfd->tdata.any == NULL) {
      return FALSE;
  }

#ifdef __ALPHA
  PRIV(is_vax) = FALSE;
#else
  PRIV(is_vax) = TRUE;
#endif /* __ALPHA */
  PRIV(vms_buf) = NULL;
  PRIV(buf_size) = 0;
  PRIV(rec_length) = 0;
  PRIV(file_format) = FF_UNKNOWN;
  PRIV(fixup_done) = FALSE;
  PRIV(sections) = NULL;

  amt = (sizeof(struct stack_struct) * STACKSIZE);
  PRIV(stack) = (struct stack_struct *)bfd_alloc(abfd, amt);
  if (PRIV(stack) == NULL) {
      goto error_ret1;
  }
  PRIV(stackptr) = 0;

  amt = sizeof(struct bfd_hash_table);
  PRIV(vms_symbol_table) = (struct bfd_hash_table *)bfd_alloc(abfd, amt);
  if (PRIV (vms_symbol_table) == NULL)
    goto error_ret1;

  if (!bfd_hash_table_init (PRIV (vms_symbol_table), _bfd_vms_hash_newfunc))
    goto error_ret1;

  amt = sizeof(struct location_struct) * LOCATION_SAVE_SIZE;
  PRIV(location_stack) = (struct location_struct *)bfd_alloc(abfd, amt);
  if (PRIV(location_stack) == NULL) {
      goto error_ret2;
  }

  for ((i = 0); (i < VMS_SECTION_COUNT); i++) {
      PRIV(vms_section_table)[i] = NULL;
  }

  amt = MAX_OUTREC_SIZE;
  PRIV(output_buf) = (unsigned char *)bfd_alloc(abfd, amt);
  if (PRIV(output_buf) == NULL) {
      goto error_ret2;
  }

  PRIV (push_level) = 0;
  PRIV (pushed_size) = 0;
  PRIV (length_pos) = 2;
  PRIV (output_size) = 0;
  PRIV (output_alignment) = 1;

  return TRUE;

 error_ret2:
  bfd_hash_table_free (PRIV (vms_symbol_table));
 error_ret1:
  bfd_release (abfd, abfd->tdata.any);
  abfd->tdata.any = NULL;
  return FALSE;
}
Ejemplo n.º 9
0
bfd_boolean
_bfd_link_section_stabs (bfd *abfd,
			 struct stab_info *sinfo,
			 asection *stabsec,
			 asection *stabstrsec,
			 void * *psecinfo,
			 bfd_size_type *pstring_offset)
{
  bfd_boolean first;
  bfd_size_type count, amt;
  struct stab_section_info *secinfo;
  bfd_byte *stabbuf = NULL;
  bfd_byte *stabstrbuf = NULL;
  bfd_byte *sym, *symend;
  bfd_size_type stroff, next_stroff, skip;
  bfd_size_type *pstridx;

  if (stabsec->size == 0
      || stabstrsec->size == 0)
    /* This file does not contain stabs debugging information.  */
    return TRUE;

  if (stabsec->size % STABSIZE != 0)
    /* Something is wrong with the format of these stab symbols.
       Don't try to optimize them.  */
    return TRUE;

  if ((stabstrsec->flags & SEC_RELOC) != 0)
    /* We shouldn't see relocations in the strings, and we aren't
       prepared to handle them.  */
    return TRUE;

  if (bfd_is_abs_section (stabsec->output_section)
      || bfd_is_abs_section (stabstrsec->output_section))
    /* At least one of the sections is being discarded from the
       link, so we should just ignore them.  */
    return TRUE;

  first = FALSE;

  if (sinfo->stabstr == NULL)
    {
      flagword flags;

      /* Initialize the stabs information we need to keep track of.  */
      first = TRUE;
      sinfo->strings = _bfd_stringtab_init ();
      if (sinfo->strings == NULL)
	goto error_return;
      /* Make sure the first byte is zero.  */
      (void) _bfd_stringtab_add (sinfo->strings, "", TRUE, TRUE);
      if (! bfd_hash_table_init (&sinfo->includes,
				 stab_link_includes_newfunc,
				 sizeof (struct stab_link_includes_entry)))
	goto error_return;
      flags = (SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING
	       | SEC_LINKER_CREATED);
      sinfo->stabstr = bfd_make_section_anyway_with_flags (abfd, ".stabstr",
							   flags);
      if (sinfo->stabstr == NULL)
	goto error_return;
    }

  /* Initialize the information we are going to store for this .stab
     section.  */
  count = stabsec->size / STABSIZE;

  amt = sizeof (struct stab_section_info);
  amt += (count - 1) * sizeof (bfd_size_type);
  *psecinfo = bfd_alloc (abfd, amt);
  if (*psecinfo == NULL)
    goto error_return;

  secinfo = (struct stab_section_info *) *psecinfo;
  secinfo->excls = NULL;
  stabsec->rawsize = stabsec->size;
  secinfo->cumulative_skips = NULL;
  memset (secinfo->stridxs, 0, (size_t) count * sizeof (bfd_size_type));

  /* Read the stabs information from abfd.  */
  if (!bfd_malloc_and_get_section (abfd, stabsec, &stabbuf)
      || !bfd_malloc_and_get_section (abfd, stabstrsec, &stabstrbuf))
    goto error_return;

  /* Look through the stabs symbols, work out the new string indices,
     and identify N_BINCL symbols which can be eliminated.  */
  stroff = 0;
  /* The stabs sections can be split when
     -split-by-reloc/-split-by-file is used.  We must keep track of
     each stab section's place in the single concatenated string
     table.  */
  next_stroff = pstring_offset ? *pstring_offset : 0;
  skip = 0;

  symend = stabbuf + stabsec->size;
  for (sym = stabbuf, pstridx = secinfo->stridxs;
       sym < symend;
       sym += STABSIZE, ++pstridx)
    {
      bfd_size_type symstroff;
      int type;
      const char *string;

      if (*pstridx != 0)
	/* This symbol has already been handled by an N_BINCL pass.  */
	continue;

      type = sym[TYPEOFF];

      if (type == 0)
	{
	  /* Special type 0 stabs indicate the offset to the next
	     string table.  We only copy the very first one.  */
	  stroff = next_stroff;
	  next_stroff += bfd_get_32 (abfd, sym + 8);
	  if (pstring_offset)
	    *pstring_offset = next_stroff;
	  if (! first)
	    {
	      *pstridx = (bfd_size_type) -1;
	      ++skip;
	      continue;
	    }
	  first = FALSE;
	}

      /* Store the string in the hash table, and record the index.  */
      symstroff = stroff + bfd_get_32 (abfd, sym + STRDXOFF);
      if (symstroff >= stabstrsec->size)
	{
	  _bfd_error_handler
	    /* xgettext:c-format */
	    (_("%B(%A+0x%lx): Stabs entry has invalid string index."),
	     abfd, stabsec, (long) (sym - stabbuf));
	  bfd_set_error (bfd_error_bad_value);
	  goto error_return;
	}
      string = (char *) stabstrbuf + symstroff;
      *pstridx = _bfd_stringtab_add (sinfo->strings, string, TRUE, TRUE);

      /* An N_BINCL symbol indicates the start of the stabs entries
	 for a header file.  We need to scan ahead to the next N_EINCL
	 symbol, ignoring nesting, adding up all the characters in the
	 symbol names, not including the file numbers in types (the
	 first number after an open parenthesis).  */
      if (type == (int) N_BINCL)
	{
	  bfd_vma sum_chars;
	  bfd_vma num_chars;
	  bfd_vma buf_len = 0;
	  char * symb;
	  char * symb_rover;
	  int nest;
	  bfd_byte * incl_sym;
	  struct stab_link_includes_entry * incl_entry;
	  struct stab_link_includes_totals * t;
	  struct stab_excl_list * ne;

	  symb = symb_rover = NULL;
	  sum_chars = num_chars = 0;
	  nest = 0;

	  for (incl_sym = sym + STABSIZE;
	       incl_sym < symend;
	       incl_sym += STABSIZE)
	    {
	      int incl_type;

	      incl_type = incl_sym[TYPEOFF];
	      if (incl_type == 0)
		break;
	      else if (incl_type == (int) N_EXCL)
		continue;
	      else if (incl_type == (int) N_EINCL)
		{
		  if (nest == 0)
		    break;
		  --nest;
		}
	      else if (incl_type == (int) N_BINCL)
		++nest;
	      else if (nest == 0)
		{
		  const char *str;

		  str = ((char *) stabstrbuf
			 + stroff
			 + bfd_get_32 (abfd, incl_sym + STRDXOFF));
		  for (; *str != '\0'; str++)
		    {
		      if (num_chars >= buf_len)
			{
			  buf_len += 32 * 1024;
			  symb = (char *) bfd_realloc_or_free (symb, buf_len);
			  if (symb == NULL)
			    goto error_return;
			  symb_rover = symb + num_chars;
			}
		      * symb_rover ++ = * str;
		      sum_chars += *str;
		      num_chars ++;
		      if (*str == '(')
			{
			  /* Skip the file number.  */
			  ++str;
			  while (ISDIGIT (*str))
			    ++str;
			  --str;
			}
		    }
		}
	    }

	  BFD_ASSERT (num_chars == (bfd_vma) (symb_rover - symb));

	  /* If we have already included a header file with the same
	     value, then replaced this one with an N_EXCL symbol.  */
	  incl_entry = (struct stab_link_includes_entry * )
	    bfd_hash_lookup (&sinfo->includes, string, TRUE, TRUE);
	  if (incl_entry == NULL)
	    goto error_return;

	  for (t = incl_entry->totals; t != NULL; t = t->next)
	    if (t->sum_chars == sum_chars
		&& t->num_chars == num_chars
		&& memcmp (t->symb, symb, num_chars) == 0)
	      break;

	  /* Record this symbol, so that we can set the value
	     correctly.  */
	  amt = sizeof *ne;
	  ne = (struct stab_excl_list *) bfd_alloc (abfd, amt);
	  if (ne == NULL)
	    goto error_return;
	  ne->offset = sym - stabbuf;
	  ne->val = sum_chars;
	  ne->type = (int) N_BINCL;
	  ne->next = secinfo->excls;
	  secinfo->excls = ne;

	  if (t == NULL)
	    {
	      /* This is the first time we have seen this header file
		 with this set of stabs strings.  */
	      t = (struct stab_link_includes_totals *)
                  bfd_hash_allocate (&sinfo->includes, sizeof *t);
	      if (t == NULL)
		goto error_return;
	      t->sum_chars = sum_chars;
	      t->num_chars = num_chars;
              /* Trim data down.  */
	      t->symb = symb = (char *) bfd_realloc_or_free (symb, num_chars);
	      t->next = incl_entry->totals;
	      incl_entry->totals = t;
	    }
	  else
	    {
	      bfd_size_type *incl_pstridx;

	      /* We have seen this header file before.  Tell the final
		 pass to change the type to N_EXCL.  */
	      ne->type = (int) N_EXCL;

	      /* Free off superfluous symbols.  */
	      free (symb);

	      /* Mark the skipped symbols.  */

	      nest = 0;
	      for (incl_sym = sym + STABSIZE, incl_pstridx = pstridx + 1;
		   incl_sym < symend;
		   incl_sym += STABSIZE, ++incl_pstridx)
		{
		  int incl_type;

		  incl_type = incl_sym[TYPEOFF];

		  if (incl_type == (int) N_EINCL)
		    {
		      if (nest == 0)
			{
			  *incl_pstridx = (bfd_size_type) -1;
			  ++skip;
			  break;
			}
		      --nest;
		    }
		  else if (incl_type == (int) N_BINCL)
		    ++nest;
		  else if (incl_type == (int) N_EXCL)
		    /* Keep existing exclusion marks.  */
		    continue;
		  else if (nest == 0)
		    {
		      *incl_pstridx = (bfd_size_type) -1;
		      ++skip;
		    }
		}
	    }
	}
    }

  free (stabbuf);
  stabbuf = NULL;
  free (stabstrbuf);
  stabstrbuf = NULL;

  /* We need to set the section sizes such that the linker will
     compute the output section sizes correctly.  We set the .stab
     size to not include the entries we don't want.  We set
     SEC_EXCLUDE for the .stabstr section, so that it will be dropped
     from the link.  We record the size of the strtab in the first
     .stabstr section we saw, and make sure we don't set SEC_EXCLUDE
     for that section.  */
  stabsec->size = (count - skip) * STABSIZE;
  if (stabsec->size == 0)
    stabsec->flags |= SEC_EXCLUDE | SEC_KEEP;
  stabstrsec->flags |= SEC_EXCLUDE | SEC_KEEP;
  sinfo->stabstr->size = _bfd_stringtab_size (sinfo->strings);

  /* Calculate the `cumulative_skips' array now that stabs have been
     deleted for this section.  */

  if (skip != 0)
    {
      bfd_size_type i, offset;
      bfd_size_type *pskips;

      amt = count * sizeof (bfd_size_type);
      secinfo->cumulative_skips = (bfd_size_type *) bfd_alloc (abfd, amt);
      if (secinfo->cumulative_skips == NULL)
	goto error_return;

      pskips = secinfo->cumulative_skips;
      pstridx = secinfo->stridxs;
      offset = 0;

      for (i = 0; i < count; i++, pskips++, pstridx++)
	{
	  *pskips = offset;
	  if (*pstridx == (bfd_size_type) -1)
	    offset += STABSIZE;
	}

      BFD_ASSERT (offset != 0);
    }

  return TRUE;

 error_return:
  if (stabbuf != NULL)
    free (stabbuf);
  if (stabstrbuf != NULL)
    free (stabstrbuf);
  return FALSE;
}