Exemple #1
0
static void
sdbout_field_types (tree type)
{
  tree tail;

  for (tail = TYPE_FIELDS (type); tail; tail = TREE_CHAIN (tail))
    /* This condition should match the one for emitting the actual
       members below.  */
    if (TREE_CODE (tail) == FIELD_DECL
	&& DECL_NAME (tail)
	&& DECL_SIZE (tail)
	&& host_integerp (DECL_SIZE (tail), 1)
	&& host_integerp (bit_position (tail), 0))
      {
	if (POINTER_TYPE_P (TREE_TYPE (tail)))
	  sdbout_one_type (TREE_TYPE (TREE_TYPE (tail)));
	else
	  sdbout_one_type (TREE_TYPE (tail));
      }
}
static void
dequeue_and_dump (dump_info_p di)
{
  dump_queue_p dq;
  splay_tree_node stn;
  dump_node_info_p dni;
  tree t;
  unsigned int index;
  enum tree_code code;
  enum tree_code_class code_class;
  const char* code_name;

  /* Get the next node from the queue.  */
  dq = di->queue;
  stn = dq->node;
  t = (tree) stn->key;
  dni = (dump_node_info_p) stn->value;
  index = dni->index;

  /* Remove the node from the queue, and put it on the free list.  */
  di->queue = dq->next;
  if (!di->queue)
    di->queue_end = 0;
  dq->next = di->free_list;
  di->free_list = dq;

  /* Print the node index.  */
  dump_index (di, index);
  /* And the type of node this is.  */
  if (dni->binfo_p)
    code_name = "binfo";
  else
    code_name = tree_code_name[(int) TREE_CODE (t)];
  fprintf (di->stream, "%-16s ", code_name);
  di->column = 25;

  /* Figure out what kind of node this is.  */
  code = TREE_CODE (t);
  code_class = TREE_CODE_CLASS (code);

  /* Although BINFOs are TREE_VECs, we dump them specially so as to be
     more informative.  */
  if (dni->binfo_p)
    {
      unsigned ix;
      tree base;
      VEC(tree,gc) *accesses = BINFO_BASE_ACCESSES (t);

      dump_child ("type", BINFO_TYPE (t));

      if (BINFO_VIRTUAL_P (t))
	dump_string_field (di, "spec", "virt");

      dump_int (di, "bases", BINFO_N_BASE_BINFOS (t));
      for (ix = 0; BINFO_BASE_ITERATE (t, ix, base); ix++)
	{
	  tree access = (accesses ? VEC_index (tree, accesses, ix)
			 : access_public_node);
	  const char *string = NULL;

	  if (access == access_public_node)
	    string = "pub";
	  else if (access == access_protected_node)
	    string = "prot";
	  else if (access == access_private_node)
	    string = "priv";
	  else
	    gcc_unreachable ();

	  dump_string_field (di, "accs", string);
	  queue_and_dump_index (di, "binf", base, DUMP_BINFO);
	}

      goto done;
    }

  /* We can knock off a bunch of expression nodes in exactly the same
     way.  */
  if (IS_EXPR_CODE_CLASS (code_class))
    {
      /* If we're dumping children, dump them now.  */
      queue_and_dump_type (di, t);

      switch (code_class)
	{
	case tcc_unary:
	  dump_child ("op 0", TREE_OPERAND (t, 0));
	  break;

	case tcc_binary:
	case tcc_comparison:
	  dump_child ("op 0", TREE_OPERAND (t, 0));
	  dump_child ("op 1", TREE_OPERAND (t, 1));
	  break;

	case tcc_expression:
	case tcc_reference:
	case tcc_statement:
	case tcc_vl_exp:
	  /* These nodes are handled explicitly below.  */
	  break;

	default:
	  gcc_unreachable ();
	}
    }
  else if (DECL_P (t))
    {
      expanded_location xloc;
      /* All declarations have names.  */
      if (DECL_NAME (t))
	dump_child ("name", DECL_NAME (t));
      if (DECL_ASSEMBLER_NAME_SET_P (t)
	  && DECL_ASSEMBLER_NAME (t) != DECL_NAME (t))
	dump_child ("mngl", DECL_ASSEMBLER_NAME (t));
      if (DECL_ABSTRACT_ORIGIN (t))
        dump_child ("orig", DECL_ABSTRACT_ORIGIN (t));
      /* And types.  */
      queue_and_dump_type (di, t);
      dump_child ("scpe", DECL_CONTEXT (t));
      /* And a source position.  */
      xloc = expand_location (DECL_SOURCE_LOCATION (t));
      if (xloc.file)
	{
	  const char *filename = lbasename (xloc.file);

	  dump_maybe_newline (di);
	  fprintf (di->stream, "srcp: %s:%-6d ", filename,
		   xloc.line);
	  di->column += 6 + strlen (filename) + 8;
	}
      /* And any declaration can be compiler-generated.  */
      if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_DECL_COMMON)
	  && DECL_ARTIFICIAL (t))
	dump_string_field (di, "note", "artificial");
      if (DECL_CHAIN (t) && !dump_flag (di, TDF_SLIM, NULL))
	dump_child ("chain", DECL_CHAIN (t));
    }
  else if (code_class == tcc_type)
    {
      /* All types have qualifiers.  */
      int quals = lang_hooks.tree_dump.type_quals (t);

      if (quals != TYPE_UNQUALIFIED)
	{
	  fprintf (di->stream, "qual: %c%c%c     ",
		   (quals & TYPE_QUAL_CONST) ? 'c' : ' ',
		   (quals & TYPE_QUAL_VOLATILE) ? 'v' : ' ',
		   (quals & TYPE_QUAL_RESTRICT) ? 'r' : ' ');
	  di->column += 14;
	}

      /* All types have associated declarations.  */
      dump_child ("name", TYPE_NAME (t));

      /* All types have a main variant.  */
      if (TYPE_MAIN_VARIANT (t) != t)
	dump_child ("unql", TYPE_MAIN_VARIANT (t));

      /* And sizes.  */
      dump_child ("size", TYPE_SIZE (t));

      /* All types have alignments.  */
      dump_int (di, "algn", TYPE_ALIGN (t));
    }
  else if (code_class == tcc_constant)
    /* All constants can have types.  */
    queue_and_dump_type (di, t);

  /* Give the language-specific code a chance to print something.  If
     it's completely taken care of things, don't bother printing
     anything more ourselves.  */
  if (lang_hooks.tree_dump.dump_tree (di, t))
    goto done;

  /* Now handle the various kinds of nodes.  */
  switch (code)
    {
      int i;

    case IDENTIFIER_NODE:
      dump_string_field (di, "strg", IDENTIFIER_POINTER (t));
      dump_int (di, "lngt", IDENTIFIER_LENGTH (t));
      break;

    case TREE_LIST:
      dump_child ("purp", TREE_PURPOSE (t));
      dump_child ("valu", TREE_VALUE (t));
      dump_child ("chan", TREE_CHAIN (t));
      break;

    case STATEMENT_LIST:
      {
	tree_stmt_iterator it;
	for (i = 0, it = tsi_start (t); !tsi_end_p (it); tsi_next (&it), i++)
	  {
	    char buffer[32];
	    sprintf (buffer, "%u", i);
	    dump_child (buffer, tsi_stmt (it));
	  }
      }
      break;

    case TREE_VEC:
      dump_int (di, "lngt", TREE_VEC_LENGTH (t));
      for (i = 0; i < TREE_VEC_LENGTH (t); ++i)
	{
	  char buffer[32];
	  sprintf (buffer, "%u", i);
	  dump_child (buffer, TREE_VEC_ELT (t, i));
	}
      break;

    case INTEGER_TYPE:
    case ENUMERAL_TYPE:
      dump_int (di, "prec", TYPE_PRECISION (t));
      dump_string_field (di, "sign", TYPE_UNSIGNED (t) ? "unsigned": "signed");
      dump_child ("min", TYPE_MIN_VALUE (t));
      dump_child ("max", TYPE_MAX_VALUE (t));

      if (code == ENUMERAL_TYPE)
	dump_child ("csts", TYPE_VALUES (t));
      break;

    case REAL_TYPE:
      dump_int (di, "prec", TYPE_PRECISION (t));
      break;

    case FIXED_POINT_TYPE:
      dump_int (di, "prec", TYPE_PRECISION (t));
      dump_string_field (di, "sign", TYPE_UNSIGNED (t) ? "unsigned": "signed");
      dump_string_field (di, "saturating",
			 TYPE_SATURATING (t) ? "saturating": "non-saturating");
      break;

    case POINTER_TYPE:
      dump_child ("ptd", TREE_TYPE (t));
      break;

    case REFERENCE_TYPE:
      dump_child ("refd", TREE_TYPE (t));
      break;

    case METHOD_TYPE:
      dump_child ("clas", TYPE_METHOD_BASETYPE (t));
      /* Fall through.  */

    case FUNCTION_TYPE:
      dump_child ("retn", TREE_TYPE (t));
      dump_child ("prms", TYPE_ARG_TYPES (t));
      break;

    case ARRAY_TYPE:
      dump_child ("elts", TREE_TYPE (t));
      dump_child ("domn", TYPE_DOMAIN (t));
      break;

    case RECORD_TYPE:
    case UNION_TYPE:
      if (TREE_CODE (t) == RECORD_TYPE)
	dump_string_field (di, "tag", "struct");
      else
	dump_string_field (di, "tag", "union");

      dump_child ("flds", TYPE_FIELDS (t));
      dump_child ("fncs", TYPE_METHODS (t));
      queue_and_dump_index (di, "binf", TYPE_BINFO (t),
			    DUMP_BINFO);
      break;

    case CONST_DECL:
      dump_child ("cnst", DECL_INITIAL (t));
      break;

    case DEBUG_EXPR_DECL:
      dump_int (di, "-uid", DEBUG_TEMP_UID (t));
      /* Fall through.  */

    case VAR_DECL:
    case PARM_DECL:
    case FIELD_DECL:
    case RESULT_DECL:
      if (TREE_CODE (t) == PARM_DECL)
	dump_child ("argt", DECL_ARG_TYPE (t));
      else
	dump_child ("init", DECL_INITIAL (t));
      dump_child ("size", DECL_SIZE (t));
      dump_int (di, "algn", DECL_ALIGN (t));

      if (TREE_CODE (t) == FIELD_DECL)
	{
	  if (DECL_FIELD_OFFSET (t))
	    dump_child ("bpos", bit_position (t));
	}
      else if (TREE_CODE (t) == VAR_DECL
	       || TREE_CODE (t) == PARM_DECL)
	{
	  dump_int (di, "used", TREE_USED (t));
	  if (DECL_REGISTER (t))
	    dump_string_field (di, "spec", "register");
	}
      break;

    case FUNCTION_DECL:
      dump_child ("args", DECL_ARGUMENTS (t));
      if (DECL_EXTERNAL (t))
	dump_string_field (di, "body", "undefined");
      if (TREE_PUBLIC (t))
	dump_string_field (di, "link", "extern");
      else
	dump_string_field (di, "link", "static");
      if (DECL_SAVED_TREE (t) && !dump_flag (di, TDF_SLIM, t))
	dump_child ("body", DECL_SAVED_TREE (t));
      break;

    case INTEGER_CST:
      if (TREE_INT_CST_HIGH (t))
	dump_int (di, "high", TREE_INT_CST_HIGH (t));
      dump_int (di, "low", TREE_INT_CST_LOW (t));
      break;

    case STRING_CST:
      fprintf (di->stream, "strg: %-7s ", TREE_STRING_POINTER (t));
      dump_int (di, "lngt", TREE_STRING_LENGTH (t));
      break;

    case REAL_CST:
      dump_real (di, "valu", TREE_REAL_CST_PTR (t));
      break;

    case FIXED_CST:
      dump_fixed (di, "valu", TREE_FIXED_CST_PTR (t));
      break;

    case TRUTH_NOT_EXPR:
    case ADDR_EXPR:
    case INDIRECT_REF:
    case CLEANUP_POINT_EXPR:
    case SAVE_EXPR:
    case REALPART_EXPR:
    case IMAGPART_EXPR:
      /* These nodes are unary, but do not have code class `1'.  */
      dump_child ("op 0", TREE_OPERAND (t, 0));
      break;

    case TRUTH_ANDIF_EXPR:
    case TRUTH_ORIF_EXPR:
    case INIT_EXPR:
    case MODIFY_EXPR:
    case COMPOUND_EXPR:
    case PREDECREMENT_EXPR:
    case PREINCREMENT_EXPR:
    case POSTDECREMENT_EXPR:
    case POSTINCREMENT_EXPR:
      /* These nodes are binary, but do not have code class `2'.  */
      dump_child ("op 0", TREE_OPERAND (t, 0));
      dump_child ("op 1", TREE_OPERAND (t, 1));
      break;

    case COMPONENT_REF:
      dump_child ("op 0", TREE_OPERAND (t, 0));
      dump_child ("op 1", TREE_OPERAND (t, 1));
      dump_child ("op 2", TREE_OPERAND (t, 2));
      break;

    case ARRAY_REF:
    case ARRAY_RANGE_REF:
      dump_child ("op 0", TREE_OPERAND (t, 0));
      dump_child ("op 1", TREE_OPERAND (t, 1));
      dump_child ("op 2", TREE_OPERAND (t, 2));
      dump_child ("op 3", TREE_OPERAND (t, 3));
      break;

    case COND_EXPR:
      dump_child ("op 0", TREE_OPERAND (t, 0));
      dump_child ("op 1", TREE_OPERAND (t, 1));
      dump_child ("op 2", TREE_OPERAND (t, 2));
      break;

    case TRY_FINALLY_EXPR:
      dump_child ("op 0", TREE_OPERAND (t, 0));
      dump_child ("op 1", TREE_OPERAND (t, 1));
      break;

    case CALL_EXPR:
      {
	int i = 0;
	tree arg;
	call_expr_arg_iterator iter;
	dump_child ("fn", CALL_EXPR_FN (t));
	FOR_EACH_CALL_EXPR_ARG (arg, iter, t)
	  {
	    char buffer[32];
	    sprintf (buffer, "%u", i);
	    dump_child (buffer, arg);
	    i++;
	  }
      }
      break;

    case CONSTRUCTOR:
      {
	unsigned HOST_WIDE_INT cnt;
	tree index, value;
	dump_int (di, "lngt", VEC_length (constructor_elt,
					  CONSTRUCTOR_ELTS (t)));
	FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (t), cnt, index, value)
	  {
	    dump_child ("idx", index);
	    dump_child ("val", value);
	  }
      }
Exemple #3
0
static void
sdbout_one_type (tree type)
{
  if (current_function_decl != NULL_TREE
      && DECL_SECTION_NAME (current_function_decl) != NULL_TREE)
    ; /* Don't change section amid function.  */
  else
    switch_to_section (text_section);

  switch (TREE_CODE (type))
    {
    case RECORD_TYPE:
    case UNION_TYPE:
    case QUAL_UNION_TYPE:
    case ENUMERAL_TYPE:
      type = TYPE_MAIN_VARIANT (type);
      /* Don't output a type twice.  */
      if (TREE_ASM_WRITTEN (type))
	/* James said test TREE_ASM_BEING_WRITTEN here.  */
	return;

      /* Output nothing if type is not yet defined.  */
      if (!COMPLETE_TYPE_P (type))
	return;

      TREE_ASM_WRITTEN (type) = 1;

      /* This is reputed to cause trouble with the following case,
	 but perhaps checking TYPE_SIZE above will fix it.  */

      /* Here is a testcase:

	struct foo {
	  struct badstr *bbb;
	} forwardref;

	typedef struct intermediate {
	  int aaaa;
	} intermediate_ref;

	typedef struct badstr {
	  int ccccc;
	} badtype;   */

      /* This change, which ought to make better output,
	 used to make the COFF assembler unhappy.
	 Changes involving KNOWN_TYPE_TAG may fix the problem.  */
      /* Before really doing anything, output types we want to refer to.  */
      /* Note that in version 1 the following two lines
	 are not used if forward references are in use.  */
      if (TREE_CODE (type) != ENUMERAL_TYPE)
	sdbout_field_types (type);

      /* Output a structure type.  */
      {
	int size = int_size_in_bytes (type);
	int member_scl = 0;
	tree tem;

	/* Record the type tag, but not in its permanent place just yet.  */
	sdbout_record_type_name (type);

	PUT_SDB_DEF (KNOWN_TYPE_TAG (type));

	switch (TREE_CODE (type))
	  {
	  case UNION_TYPE:
	  case QUAL_UNION_TYPE:
	    PUT_SDB_SCL (C_UNTAG);
	    PUT_SDB_TYPE (T_UNION);
	    member_scl = C_MOU;
	    break;

	  case RECORD_TYPE:
	    PUT_SDB_SCL (C_STRTAG);
	    PUT_SDB_TYPE (T_STRUCT);
	    member_scl = C_MOS;
	    break;

	  case ENUMERAL_TYPE:
	    PUT_SDB_SCL (C_ENTAG);
	    PUT_SDB_TYPE (T_ENUM);
	    member_scl = C_MOE;
	    break;

	  default:
	    break;
	  }

	PUT_SDB_SIZE (size);
	PUT_SDB_ENDEF;

	/* Print out the base class information with fields
	   named after the types they hold.  */
	/* This is only relevant to aggregate types.  TYPE_BINFO is used
	   for other purposes in an ENUMERAL_TYPE, so we must exclude that
	   case.  */
	if (TREE_CODE (type) != ENUMERAL_TYPE && TYPE_BINFO (type))
	  {
	    int i;
	    tree binfo, child;

	    for (binfo = TYPE_BINFO (type), i = 0;
		 BINFO_BASE_ITERATE (binfo, i, child); i++)
	      {
		tree child_type = BINFO_TYPE (child);
		tree child_type_name;

		if (TYPE_NAME (child_type) == 0)
		  continue;
		if (TREE_CODE (TYPE_NAME (child_type)) == IDENTIFIER_NODE)
		  child_type_name = TYPE_NAME (child_type);
		else if (TREE_CODE (TYPE_NAME (child_type)) == TYPE_DECL)
		  {
		    child_type_name = DECL_NAME (TYPE_NAME (child_type));
		    if (child_type_name && template_name_p (child_type_name))
		      child_type_name
			= DECL_ASSEMBLER_NAME (TYPE_NAME (child_type));
		  }
		else
		  continue;

		PUT_SDB_DEF (IDENTIFIER_POINTER (child_type_name));
		PUT_SDB_INT_VAL (tree_low_cst (BINFO_OFFSET (child), 0));
		PUT_SDB_SCL (member_scl);
		sdbout_type (BINFO_TYPE (child));
		PUT_SDB_ENDEF;
	      }
	  }

	/* Output the individual fields.  */

	if (TREE_CODE (type) == ENUMERAL_TYPE)
	  {
	    for (tem = TYPE_VALUES (type); tem; tem = TREE_CHAIN (tem))
	      {
	        tree value = TREE_VALUE (tem);

	        if (TREE_CODE (value) == CONST_DECL)
	          value = DECL_INITIAL (value);

	        if (host_integerp (value, 0))
		  {
		    PUT_SDB_DEF (IDENTIFIER_POINTER (TREE_PURPOSE (tem)));
		    PUT_SDB_INT_VAL (tree_low_cst (value, 0));
		    PUT_SDB_SCL (C_MOE);
		    PUT_SDB_TYPE (T_MOE);
		    PUT_SDB_ENDEF;
		  }
	      }
	  }
	else			/* record or union type */
	  for (tem = TYPE_FIELDS (type); tem; tem = TREE_CHAIN (tem))
	    /* Output the name, type, position (in bits), size (in bits)
	       of each field.  */

	    /* Omit here the nameless fields that are used to skip bits.
	       Also omit fields with variable size or position.
	       Also omit non FIELD_DECL nodes that GNU C++ may put here.  */
	    if (TREE_CODE (tem) == FIELD_DECL
		&& DECL_NAME (tem)
		&& DECL_SIZE (tem)
		&& host_integerp (DECL_SIZE (tem), 1)
		&& host_integerp (bit_position (tem), 0))
	      {
		const char *name;

		name = IDENTIFIER_POINTER (DECL_NAME (tem));
		PUT_SDB_DEF (name);
		if (DECL_BIT_FIELD_TYPE (tem))
		  {
		    PUT_SDB_INT_VAL (int_bit_position (tem));
		    PUT_SDB_SCL (C_FIELD);
		    sdbout_type (DECL_BIT_FIELD_TYPE (tem));
		    PUT_SDB_SIZE (tree_low_cst (DECL_SIZE (tem), 1));
		  }
		else
		  {
		    PUT_SDB_INT_VAL (int_bit_position (tem) / BITS_PER_UNIT);
		    PUT_SDB_SCL (member_scl);
		    sdbout_type (TREE_TYPE (tem));
		  }
		PUT_SDB_ENDEF;
	      }
	/* Output end of a structure,union, or enumeral definition.  */

	PUT_SDB_PLAIN_DEF ("eos");
	PUT_SDB_INT_VAL (size);
	PUT_SDB_SCL (C_EOS);
	PUT_SDB_TAG (KNOWN_TYPE_TAG (type));
	PUT_SDB_SIZE (size);
	PUT_SDB_ENDEF;
	break;
      }

    default:
      break;
    }
}