gcc-interface: New directory.

	* gcc-interface: New directory.

	* ada-tree.def, cuintp.c, gigi.h, Makefile.in, targtyps.c, ada.h,
	utils.c, ada-tree.h, decl.c, lang.opt, Make-lang.in, trans.c,
	config-lang.in, deftarg.c, lang-specs.h, misc.c, utils2.c: Moved
	to gcc-interface subdirectory.

From-SVN: r138246

1 files changed, 321 insertions, 0 deletions

diff --git a/gcc/ada/gcc-interface/ada-tree.h b/gcc/ada/gcc-interface/ada-tree.h
new file mode 100644
index 0000000..9c31e46
--- /dev/null
+++ b/gcc/ada/gcc-interface/ada-tree.h
@@ -0,0 +1,321 @@
+/****************************************************************************
+ *                                                                          *
+ *                         GNAT COMPILER COMPONENTS                         *
+ *                                                                          *
+ *                             A D A - T R E E                              *
+ *                                                                          *
+ *                              C Header File                               *
+ *                                                                          *
+ *          Copyright (C) 1992-2008, Free Software Foundation, Inc.         *
+ *                                                                          *
+ * GNAT is free software;  you can  redistribute it  and/or modify it under *
+ * terms of the  GNU General Public License as published  by the Free Soft- *
+ * ware  Foundation;  either version 3,  or (at your option) any later ver- *
+ * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
+ * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License *
+ * for  more details.  You should have received a copy of the GNU General   *
+ * Public License along with GCC; see the file COPYING3.  If not see        *
+ * <http://www.gnu.org/licenses/>.                                          *
+ *                                                                          *
+ * GNAT was originally developed  by the GNAT team at  New York University. *
+ * Extensive contributions were provided by Ada Core Technologies Inc.      *
+ *                                                                          *
+ ****************************************************************************/
+
+/* Ada uses the lang_decl and lang_type fields to hold a tree.  */
+union lang_tree_node
+  GTY((desc ("0"),
+       chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.t)")))
+{
+  union tree_node GTY((tag ("0"))) t;
+};
+struct lang_decl GTY(()) {tree t; };
+struct lang_type GTY(()) {tree t; };
+
+/* Define macros to get and set the tree in TYPE_ and DECL_LANG_SPECIFIC.  */
+#define GET_TYPE_LANG_SPECIFIC(NODE) \
+  (TYPE_LANG_SPECIFIC (NODE) ? TYPE_LANG_SPECIFIC (NODE)->t : NULL_TREE)
+#define SET_TYPE_LANG_SPECIFIC(NODE, X)	\
+ (TYPE_LANG_SPECIFIC (NODE)			\
+  = (TYPE_LANG_SPECIFIC (NODE)			\
+     ? TYPE_LANG_SPECIFIC (NODE) : GGC_NEW (struct lang_type)))   \
+ ->t = X;
+
+#define GET_DECL_LANG_SPECIFIC(NODE) \
+  (DECL_LANG_SPECIFIC (NODE) ? DECL_LANG_SPECIFIC (NODE)->t : NULL_TREE)
+#define SET_DECL_LANG_SPECIFIC(NODE, VALUE)	\
+ (DECL_LANG_SPECIFIC (NODE)			\
+  = (DECL_LANG_SPECIFIC (NODE)			\
+     ? DECL_LANG_SPECIFIC (NODE) : GGC_NEW (struct lang_decl)))   \
+ ->t = VALUE;
+
+/* Flags added to GCC type nodes.  */
+
+/* For RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE, nonzero if this is a
+   record being used as a fat pointer (only true for RECORD_TYPE).  */
+#define TYPE_IS_FAT_POINTER_P(NODE) \
+  TYPE_LANG_FLAG_0 (RECORD_OR_UNION_CHECK (NODE))
+
+#define TYPE_FAT_POINTER_P(NODE)  \
+  (TREE_CODE (NODE) == RECORD_TYPE && TYPE_IS_FAT_POINTER_P (NODE))
+
+/* For integral types and array types, nonzero if this is a packed array type
+   used for bit-packed types.  Such types should not be extended to a larger
+   size or validated against a specified size.  */
+#define TYPE_PACKED_ARRAY_TYPE_P(NODE) TYPE_LANG_FLAG_0 (NODE)
+
+#define TYPE_IS_PACKED_ARRAY_TYPE_P(NODE) \
+  ((TREE_CODE (NODE) == INTEGER_TYPE || TREE_CODE (NODE) == ARRAY_TYPE) \
+   && TYPE_PACKED_ARRAY_TYPE_P (NODE))
+
+/* For INTEGER_TYPE, nonzero if this is a modular type with a modulus that
+   is not equal to two to the power of its mode's size.  */
+#define TYPE_MODULAR_P(NODE) TYPE_LANG_FLAG_1 (INTEGER_TYPE_CHECK (NODE))
+
+/* For ARRAY_TYPE, nonzero if this type corresponds to a dimension of
+   an Ada array other than the first.  */
+#define TYPE_MULTI_ARRAY_P(NODE)  TYPE_LANG_FLAG_1 (ARRAY_TYPE_CHECK (NODE))
+
+/* For FUNCTION_TYPE, nonzero if this denotes a function returning an
+   unconstrained array or record.  */
+#define TYPE_RETURNS_UNCONSTRAINED_P(NODE) \
+  TYPE_LANG_FLAG_1 (FUNCTION_TYPE_CHECK (NODE))
+
+/* For RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE, nonzero if this denotes
+   a justified modular type (will only be true for RECORD_TYPE).  */
+#define TYPE_JUSTIFIED_MODULAR_P(NODE) \
+  TYPE_LANG_FLAG_1 (RECORD_OR_UNION_CHECK (NODE))
+
+/* Nonzero in an arithmetic subtype if this is a subtype not known to the
+   front-end.  */
+#define TYPE_EXTRA_SUBTYPE_P(NODE) TYPE_LANG_FLAG_2 (NODE)
+
+/* Nonzero for composite types if this is a by-reference type.  */
+#define TYPE_BY_REFERENCE_P(NODE) TYPE_LANG_FLAG_2 (NODE)
+
+/* For RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE, nonzero if this is the
+   type for an object whose type includes its template in addition to
+   its value (only true for RECORD_TYPE).  */
+#define TYPE_CONTAINS_TEMPLATE_P(NODE) \
+  TYPE_LANG_FLAG_3 (RECORD_OR_UNION_CHECK (NODE))
+
+/* For INTEGER_TYPE, nonzero if this really represents a VAX
+   floating-point type.  */
+#define TYPE_VAX_FLOATING_POINT_P(NODE)  \
+  TYPE_LANG_FLAG_3 (INTEGER_TYPE_CHECK (NODE))
+
+/* True if NODE is a thin pointer.  */
+#define TYPE_THIN_POINTER_P(NODE)			\
+  (POINTER_TYPE_P (NODE)				\
+   && TREE_CODE (TREE_TYPE (NODE)) == RECORD_TYPE	\
+   && TYPE_CONTAINS_TEMPLATE_P (TREE_TYPE (NODE)))
+
+/* True if TYPE is either a fat or thin pointer to an unconstrained
+   array.  */
+#define TYPE_FAT_OR_THIN_POINTER_P(NODE) \
+  (TYPE_FAT_POINTER_P (NODE) || TYPE_THIN_POINTER_P (NODE))
+
+/* For INTEGER_TYPEs, nonzero if the type has a biased representation.  */
+#define TYPE_BIASED_REPRESENTATION_P(NODE) \
+  TYPE_LANG_FLAG_4 (INTEGER_TYPE_CHECK (NODE))
+
+/* For ARRAY_TYPEs, nonzero if the array type has Convention_Fortran.  */
+#define TYPE_CONVENTION_FORTRAN_P(NODE) \
+  TYPE_LANG_FLAG_4 (ARRAY_TYPE_CHECK (NODE))
+
+/* For FUNCTION_TYPEs, nonzero if the function returns by reference.  */
+#define TYPE_RETURNS_BY_REF_P(NODE) \
+  TYPE_LANG_FLAG_4 (FUNCTION_TYPE_CHECK (NODE))
+
+/* For VOID_TYPE, ENUMERAL_TYPE, UNION_TYPE, and RECORD_TYPE, nonzero if this
+   is a dummy type, made to correspond to a private or incomplete type.  */
+#define TYPE_DUMMY_P(NODE) TYPE_LANG_FLAG_4 (NODE)
+
+/* True if TYPE is such a dummy type.  */
+#define TYPE_IS_DUMMY_P(NODE) \
+  ((TREE_CODE (NODE) == VOID_TYPE || TREE_CODE (NODE) == RECORD_TYPE	\
+    || TREE_CODE (NODE) == UNION_TYPE || TREE_CODE (NODE) == ENUMERAL_TYPE) \
+   && TYPE_DUMMY_P (NODE))
+
+/* For FUNCTION_TYPEs, nonzero if function returns by being passed a pointer
+   to a place to store its result.  */
+#define TYPE_RETURNS_BY_TARGET_PTR_P(NODE) \
+  TYPE_LANG_FLAG_5 (FUNCTION_TYPE_CHECK (NODE))
+
+/* For an INTEGER_TYPE, nonzero if TYPE_ACTUAL_BOUNDS is present.  */
+#define TYPE_HAS_ACTUAL_BOUNDS_P(NODE) \
+  TYPE_LANG_FLAG_5 (INTEGER_TYPE_CHECK (NODE))
+
+/* For a RECORD_TYPE, nonzero if this was made just to supply needed
+   padding or alignment.  */
+#define TYPE_IS_PADDING_P(NODE) TYPE_LANG_FLAG_5 (RECORD_TYPE_CHECK (NODE))
+
+/* True if TYPE can alias any other types.  */
+#define TYPE_UNIVERSAL_ALIASING_P(NODE) TYPE_LANG_FLAG_6 (NODE)
+
+/* This field is only defined for FUNCTION_TYPE nodes. If the Ada
+   subprogram contains no parameters passed by copy in/copy out then this
+   field is 0. Otherwise it points to a list of nodes used to specify the
+   return values of the out (or in out) parameters that qualify to be passed
+   by copy in copy out.  It is a CONSTRUCTOR.  For a full description of the
+   cico parameter passing mechanism refer to the routine gnat_to_gnu_entity. */
+#define TYPE_CI_CO_LIST(NODE)  TYPE_LANG_SLOT_1 (FUNCTION_TYPE_CHECK (NODE))
+
+/* For an INTEGER_TYPE with TYPE_MODULAR_P, this is the value of the
+   modulus. */
+#define TYPE_MODULUS(NODE) GET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE))
+#define SET_TYPE_MODULUS(NODE, X)  \
+  SET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE), X)
+
+/* For an INTEGER_TYPE that is the TYPE_DOMAIN of some ARRAY_TYPE, points to
+   the type corresponding to the Ada index type.  */
+#define TYPE_INDEX_TYPE(NODE) \
+  GET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE))
+#define SET_TYPE_INDEX_TYPE(NODE, X) \
+  SET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE), X)
+
+/* For an INTEGER_TYPE with TYPE_VAX_FLOATING_POINT_P, stores the
+   Digits_Value.  */
+#define TYPE_DIGITS_VALUE(NODE) \
+  GET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE))
+#define SET_TYPE_DIGITS_VALUE(NODE, X)  \
+  SET_TYPE_LANG_SPECIFIC (INTEGER_TYPE_CHECK (NODE), X)
+
+/* For numeric types, stores the RM_Size of the type.  */
+#define TYPE_RM_SIZE_NUM(NODE)	TYPE_LANG_SLOT_1 (NUMERICAL_TYPE_CHECK (NODE))
+
+#define TYPE_RM_SIZE(NODE)					\
+  (INTEGRAL_TYPE_P (NODE) || TREE_CODE (NODE) == REAL_TYPE	\
+   ? TYPE_RM_SIZE_NUM (NODE) : 0)
+
+/* For a RECORD_TYPE that is a fat pointer, point to the type for the
+   unconstrained object.  Likewise for a RECORD_TYPE that is pointed
+   to by a thin pointer.  */
+#define TYPE_UNCONSTRAINED_ARRAY(NODE)  \
+  GET_TYPE_LANG_SPECIFIC (RECORD_TYPE_CHECK (NODE))
+#define SET_TYPE_UNCONSTRAINED_ARRAY(NODE, X)  \
+  SET_TYPE_LANG_SPECIFIC (RECORD_TYPE_CHECK (NODE), X)
+
+/* For other RECORD_TYPEs and all UNION_TYPEs and QUAL_UNION_TYPEs, the Ada
+   size of the object.  This differs from the GCC size in that it does not
+   include any rounding up to the alignment of the type.  */
+#define TYPE_ADA_SIZE(NODE)   \
+  GET_TYPE_LANG_SPECIFIC (RECORD_OR_UNION_CHECK (NODE))
+#define SET_TYPE_ADA_SIZE(NODE, X) \
+  SET_TYPE_LANG_SPECIFIC (RECORD_OR_UNION_CHECK (NODE), X)
+
+/* For an INTEGER_TYPE with TYPE_HAS_ACTUAL_BOUNDS_P or an ARRAY_TYPE, this is
+   the index type that should be used when the actual bounds are required for
+   a template.  This is used in the case of packed arrays.  */
+#define TYPE_ACTUAL_BOUNDS(NODE)   \
+  GET_TYPE_LANG_SPECIFIC (TREE_CHECK2 (NODE, INTEGER_TYPE, ARRAY_TYPE))
+#define SET_TYPE_ACTUAL_BOUNDS(NODE, X) \
+  SET_TYPE_LANG_SPECIFIC (TREE_CHECK2 (NODE, INTEGER_TYPE, ARRAY_TYPE), X)
+
+/* In an UNCONSTRAINED_ARRAY_TYPE, points to the record containing both
+   the template and object.
+
+   ??? We also put this on an ENUMERAL_TYPE that's dummy.  Technically,
+   this is a conflict on the minval field, but there doesn't seem to be
+   simple fix, so we'll live with this kludge for now.  */
+#define TYPE_OBJECT_RECORD_TYPE(NODE) \
+  (TREE_CHECK2 ((NODE), UNCONSTRAINED_ARRAY_TYPE, ENUMERAL_TYPE)->type.minval)
+
+/* Nonzero in a FUNCTION_DECL that represents a stubbed function
+   discriminant.  */
+#define DECL_STUBBED_P(NODE) DECL_LANG_FLAG_0 (FUNCTION_DECL_CHECK (NODE))
+
+/* Nonzero in a VAR_DECL if it is guaranteed to be constant after having
+   been elaborated and TREE_READONLY is not set on it.  */
+#define DECL_READONLY_ONCE_ELAB(NODE) DECL_LANG_FLAG_0 (VAR_DECL_CHECK (NODE))
+
+/* Nonzero if this decl is always used by reference; i.e., an INDIRECT_REF
+   is needed to access the object.  */
+#define DECL_BY_REF_P(NODE) DECL_LANG_FLAG_1 (NODE)
+
+/* Nonzero in a FIELD_DECL that is a dummy built for some internal reason.  */
+#define DECL_INTERNAL_P(NODE) DECL_LANG_FLAG_3 (FIELD_DECL_CHECK (NODE))
+
+/* Nonzero if this decl is a PARM_DECL for an Ada array being passed to a
+   foreign convention subprogram.  */
+#define DECL_BY_COMPONENT_PTR_P(NODE) DECL_LANG_FLAG_3 (PARM_DECL_CHECK (NODE))
+
+/* Nonzero in a FUNCTION_DECL that corresponds to an elaboration procedure.  */
+#define DECL_ELABORATION_PROC_P(NODE) \
+  DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (NODE))
+
+/* Nonzero if this is a decl for a pointer that points to something which
+   is readonly.  Used mostly for fat pointers.  */
+#define DECL_POINTS_TO_READONLY_P(NODE) DECL_LANG_FLAG_4 (NODE)
+
+/* Nonzero in a FIELD_DECL if there was a record rep clause.  */
+#define DECL_HAS_REP_P(NODE) DECL_LANG_FLAG_5 (FIELD_DECL_CHECK (NODE))
+
+/* Nonzero in a PARM_DECL if we are to pass by descriptor.  */
+#define DECL_BY_DESCRIPTOR_P(NODE) DECL_LANG_FLAG_5 (PARM_DECL_CHECK (NODE))
+
+/* Nonzero in a VAR_DECL if it is a pointer renaming a global object.  */
+#define DECL_RENAMING_GLOBAL_P(NODE) DECL_LANG_FLAG_5 (VAR_DECL_CHECK (NODE))
+
+/* In a CONST_DECL, points to a VAR_DECL that is allocatable to
+   memory.  Used when a scalar constant is aliased or has its
+   address taken.  */
+#define DECL_CONST_CORRESPONDING_VAR(NODE) \
+  GET_DECL_LANG_SPECIFIC (CONST_DECL_CHECK (NODE))
+#define SET_DECL_CONST_CORRESPONDING_VAR(NODE, X) \
+  SET_DECL_LANG_SPECIFIC (CONST_DECL_CHECK (NODE), X)
+
+/* In a FIELD_DECL, points to the FIELD_DECL that was the ultimate
+   source of the decl.  */
+#define DECL_ORIGINAL_FIELD(NODE) \
+  GET_DECL_LANG_SPECIFIC (FIELD_DECL_CHECK (NODE))
+#define SET_DECL_ORIGINAL_FIELD(NODE, X) \
+  SET_DECL_LANG_SPECIFIC (FIELD_DECL_CHECK (NODE), X)
+
+/* In a VAR_DECL, points to the object being renamed if the VAR_DECL is a
+   renaming pointer, otherwise 0.  Note that this object is guaranteed to
+   be protected against multiple evaluations.  */
+#define DECL_RENAMED_OBJECT(NODE) \
+  GET_DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))
+#define SET_DECL_RENAMED_OBJECT(NODE, X) \
+  SET_DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE), X)
+
+/* In a TYPE_DECL, points to the parallel type if any, otherwise 0.  */
+#define DECL_PARALLEL_TYPE(NODE) \
+  GET_DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE))
+#define SET_DECL_PARALLEL_TYPE(NODE, X) \
+  SET_DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE), X)
+
+/* In a FUNCTION_DECL, points to the stub associated with the function
+   if any, otherwise 0.  */
+#define DECL_FUNCTION_STUB(NODE) \
+  GET_DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE))
+#define SET_DECL_FUNCTION_STUB(NODE, X) \
+  SET_DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (NODE), X)
+
+/* In a FIELD_DECL corresponding to a discriminant, contains the
+   discriminant number.  */
+#define DECL_DISCRIMINANT_NUMBER(NODE) DECL_INITIAL (FIELD_DECL_CHECK (NODE))
+
+/* Define fields and macros for statements.
+
+   Start by defining which tree codes are used for statements.  */
+#define IS_STMT(NODE)		(STATEMENT_CLASS_P (NODE))
+#define IS_ADA_STMT(NODE)	(IS_STMT (NODE)				\
+				 && TREE_CODE (NODE) >= STMT_STMT)
+
+#define STMT_STMT_STMT(NODE)	TREE_OPERAND_CHECK_CODE (NODE, STMT_STMT, 0)
+#define LOOP_STMT_TOP_COND(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 0)
+#define LOOP_STMT_BOT_COND(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 1)
+#define LOOP_STMT_UPDATE(NODE)	TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 2)
+#define LOOP_STMT_BODY(NODE)	TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 3)
+#define LOOP_STMT_LABEL(NODE)	TREE_OPERAND_CHECK_CODE (NODE, LOOP_STMT, 4)
+#define EXIT_STMT_COND(NODE)	TREE_OPERAND_CHECK_CODE (NODE, EXIT_STMT, 0)
+#define EXIT_STMT_LABEL(NODE)	TREE_OPERAND_CHECK_CODE (NODE, EXIT_STMT, 1)
+#define REGION_STMT_BODY(NODE)	TREE_OPERAND_CHECK_CODE (NODE, REGION_STMT, 0)
+#define REGION_STMT_HANDLE(NODE) TREE_OPERAND_CHECK_CODE (NODE, REGION_STMT, 1)
+#define REGION_STMT_BLOCK(NODE)	TREE_OPERAND_CHECK_CODE (NODE, REGION_STMT, 2)
+#define HANDLER_STMT_ARG(NODE) TREE_OPERAND_CHECK_CODE (NODE, HANDLER_STMT, 0)
+#define HANDLER_STMT_LIST(NODE)	TREE_OPERAND_CHECK_CODE (NODE, HANDLER_STMT, 1)
+#define HANDLER_STMT_BLOCK(NODE) TREE_OPERAND_CHECK_CODE(NODE, HANDLER_STMT, 2)