* *
* C Implementation File *
* *
- * Copyright (C) 1992-2010, Free Software Foundation, Inc. *
+ * Copyright (C) 1992-2012, 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- *
* *
****************************************************************************/
-/* This file contains parts of the compiler that are required for interfacing
- with GCC but otherwise do nothing and parts of Gigi that need to know
- about GIMPLE. */
-
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "opts.h"
#include "options.h"
#include "plugin.h"
+#include "real.h"
#include "function.h" /* For pass_by_reference. */
#include "ada.h"
#include "ada-tree.h"
#include "gigi.h"
-static bool gnat_init (void);
-static unsigned int gnat_option_lang_mask (void);
-static void gnat_init_options (unsigned int,
- struct cl_decoded_option *);
-static bool gnat_handle_option (size_t, const char *, int, int,
- const struct cl_option_handlers *);
-static bool gnat_post_options (const char **);
-static alias_set_type gnat_get_alias_set (tree);
-static void gnat_print_decl (FILE *, tree, int);
-static void gnat_print_type (FILE *, tree, int);
-static const char *gnat_printable_name (tree, int);
-static const char *gnat_dwarf_name (tree, int);
-static bool gnat_type_hash_eq (const_tree, const_tree);
-static tree gnat_return_tree (tree);
-static void gnat_parse_file (int);
-static void internal_error_function (diagnostic_context *,
- const char *, va_list *);
-static tree gnat_type_max_size (const_tree);
-static void gnat_get_subrange_bounds (const_tree, tree *, tree *);
-static tree gnat_eh_personality (void);
-
-/* Definitions for our language-specific hooks. */
-
-#undef LANG_HOOKS_NAME
-#define LANG_HOOKS_NAME "GNU Ada"
-#undef LANG_HOOKS_IDENTIFIER_SIZE
-#define LANG_HOOKS_IDENTIFIER_SIZE sizeof (struct tree_identifier)
-#undef LANG_HOOKS_INIT
-#define LANG_HOOKS_INIT gnat_init
-#undef LANG_HOOKS_OPTION_LANG_MASK
-#define LANG_HOOKS_OPTION_LANG_MASK gnat_option_lang_mask
-#undef LANG_HOOKS_INIT_OPTIONS
-#define LANG_HOOKS_INIT_OPTIONS gnat_init_options
-#undef LANG_HOOKS_HANDLE_OPTION
-#define LANG_HOOKS_HANDLE_OPTION gnat_handle_option
-#undef LANG_HOOKS_POST_OPTIONS
-#define LANG_HOOKS_POST_OPTIONS gnat_post_options
-#undef LANG_HOOKS_PARSE_FILE
-#define LANG_HOOKS_PARSE_FILE gnat_parse_file
-#undef LANG_HOOKS_TYPE_HASH_EQ
-#define LANG_HOOKS_TYPE_HASH_EQ gnat_type_hash_eq
-#undef LANG_HOOKS_GETDECLS
-#define LANG_HOOKS_GETDECLS lhd_return_null_tree_v
-#undef LANG_HOOKS_PUSHDECL
-#define LANG_HOOKS_PUSHDECL gnat_return_tree
-#undef LANG_HOOKS_WRITE_GLOBALS
-#define LANG_HOOKS_WRITE_GLOBALS gnat_write_global_declarations
-#undef LANG_HOOKS_GET_ALIAS_SET
-#define LANG_HOOKS_GET_ALIAS_SET gnat_get_alias_set
-#undef LANG_HOOKS_PRINT_DECL
-#define LANG_HOOKS_PRINT_DECL gnat_print_decl
-#undef LANG_HOOKS_PRINT_TYPE
-#define LANG_HOOKS_PRINT_TYPE gnat_print_type
-#undef LANG_HOOKS_TYPE_MAX_SIZE
-#define LANG_HOOKS_TYPE_MAX_SIZE gnat_type_max_size
-#undef LANG_HOOKS_DECL_PRINTABLE_NAME
-#define LANG_HOOKS_DECL_PRINTABLE_NAME gnat_printable_name
-#undef LANG_HOOKS_DWARF_NAME
-#define LANG_HOOKS_DWARF_NAME gnat_dwarf_name
-#undef LANG_HOOKS_GIMPLIFY_EXPR
-#define LANG_HOOKS_GIMPLIFY_EXPR gnat_gimplify_expr
-#undef LANG_HOOKS_TYPE_FOR_MODE
-#define LANG_HOOKS_TYPE_FOR_MODE gnat_type_for_mode
-#undef LANG_HOOKS_TYPE_FOR_SIZE
-#define LANG_HOOKS_TYPE_FOR_SIZE gnat_type_for_size
-#undef LANG_HOOKS_TYPES_COMPATIBLE_P
-#define LANG_HOOKS_TYPES_COMPATIBLE_P gnat_types_compatible_p
-#undef LANG_HOOKS_GET_SUBRANGE_BOUNDS
-#define LANG_HOOKS_GET_SUBRANGE_BOUNDS gnat_get_subrange_bounds
-#undef LANG_HOOKS_ATTRIBUTE_TABLE
-#define LANG_HOOKS_ATTRIBUTE_TABLE gnat_internal_attribute_table
-#undef LANG_HOOKS_BUILTIN_FUNCTION
-#define LANG_HOOKS_BUILTIN_FUNCTION gnat_builtin_function
-#undef LANG_HOOKS_EH_PERSONALITY
-#define LANG_HOOKS_EH_PERSONALITY gnat_eh_personality
-#undef LANG_HOOKS_DEEP_UNSHARING
-#define LANG_HOOKS_DEEP_UNSHARING true
-
-struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
-
/* This symbol needs to be defined for the front-end. */
void *callgraph_info_file = NULL;
-/* How much we want of our DWARF extensions. Some of our dwarf+ extensions
- are incompatible with regular GDB versions, so we must make sure to only
- produce them on explicit request. This is eventually reflected into the
- use_gnu_debug_info_extensions common flag for later processing. */
-static int gnat_dwarf_extensions = 0;
-
-/* Command-line argc and argv. These variables are global
- since they are imported in back_end.adb. */
+/* Command-line argc and argv. These variables are global since they are
+ imported in back_end.adb. */
unsigned int save_argc;
const char **save_argv;
extern int gnat_argc;
extern char **gnat_argv;
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* Declare functions we use as part of startup. */
-extern void __gnat_initialize (void *);
-extern void __gnat_install_SEH_handler (void *);
-extern void adainit (void);
-extern void _ada_gnat1drv (void);
+extern void __gnat_initialize (void *);
+extern void __gnat_install_SEH_handler (void *);
+extern void adainit (void);
+extern void _ada_gnat1drv (void);
+
+#ifdef __cplusplus
+}
+#endif
/* The parser for the language. For us, we process the GNAT tree. */
static void
-gnat_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
+gnat_parse_file (void)
{
int seh[2];
static bool
gnat_handle_option (size_t scode, const char *arg ATTRIBUTE_UNUSED, int value,
- int kind ATTRIBUTE_UNUSED,
+ int kind ATTRIBUTE_UNUSED, location_t loc ATTRIBUTE_UNUSED,
const struct cl_option_handlers *handlers ATTRIBUTE_UNUSED)
{
enum opt_code code = (enum opt_code) scode;
case OPT_Wall:
warn_unused = value;
warn_uninitialized = value;
- break;
-
- case OPT_Wmissing_prototypes:
- case OPT_Wstrict_prototypes:
- case OPT_Wwrite_strings:
- case OPT_Wlong_long:
- case OPT_Wvariadic_macros:
- case OPT_Wold_style_definition:
- case OPT_Wmissing_format_attribute:
- case OPT_Woverlength_strings:
- /* These are used in the GCC Makefile. */
- break;
-
- case OPT_feliminate_unused_debug_types:
- /* We arrange for post_option to be able to only set the corresponding
- flag to 1 when explicitly requested by the user. We expect the
- default flag value to be either 0 or positive, and expose a positive
- -f as a negative value to post_option. */
- flag_eliminate_unused_debug_types = -value;
- break;
-
- case OPT_gdwarfplus:
- gnat_dwarf_extensions = 1;
+ warn_maybe_uninitialized = value;
break;
case OPT_gant:
return CL_Ada;
}
+/* Initialize options structure OPTS. */
+
+static void
+gnat_init_options_struct (struct gcc_options *opts)
+{
+ /* Uninitialized really means uninitialized in Ada. */
+ opts->x_flag_zero_initialized_in_bss = 0;
+}
+
/* Initialize for option processing. */
static void
{
/* Reconstruct an argv array for use of back_end.adb.
- ??? back_end.adb should not rely on this; instead, it should work
- with decoded options without such reparsing, to ensure
- consistency in how options are decoded. */
+ ??? back_end.adb should not rely on this; instead, it should work with
+ decoded options without such reparsing, to ensure consistency in how
+ options are decoded. */
unsigned int i;
save_argv = XNEWVEC (const char *, 2 * decoded_options_count + 1);
save_argc = 0;
for (i = 0; i < decoded_options_count; i++)
{
+ size_t num_elements = decoded_options[i].canonical_option_num_elements;
+
if (decoded_options[i].errors
|| decoded_options[i].opt_index == OPT_SPECIAL_unknown
- || decoded_options[i].canonical_option_num_elements == 0)
+ || num_elements == 0)
continue;
- if (decoded_options[i].opt_index == OPT_I)
- {
- gcc_assert (decoded_options[i].canonical_option_num_elements == 2);
- save_argv[save_argc++]
- = concat (decoded_options[i].canonical_option[0],
- decoded_options[i].canonical_option[1], NULL);
- }
+
+ /* Deal with -I- specially since it must be a single switch. */
+ if (decoded_options[i].opt_index == OPT_I
+ && num_elements == 2
+ && decoded_options[i].canonical_option[1][0] == '-'
+ && decoded_options[i].canonical_option[1][1] == '\0')
+ save_argv[save_argc++] = "-I-";
else
{
- gcc_assert (decoded_options[i].canonical_option_num_elements >= 1
- && decoded_options[i].canonical_option_num_elements <= 2);
+ gcc_assert (num_elements >= 1 && num_elements <= 2);
save_argv[save_argc++] = decoded_options[i].canonical_option[0];
- if (decoded_options[i].canonical_option_num_elements >= 2)
+ if (num_elements >= 2)
save_argv[save_argc++] = decoded_options[i].canonical_option[1];
}
}
gnat_argv = (char **) xmalloc (sizeof (save_argv[0]));
gnat_argv[0] = xstrdup (save_argv[0]); /* name of the command */
gnat_argc = 1;
-
- /* Uninitialized really means uninitialized in Ada. */
- flag_zero_initialized_in_bss = 0;
}
/* Ada code requires variables for these settings rather than elements
of the global_options structure. */
#undef optimize
#undef optimize_size
+#undef flag_compare_debug
+#undef flag_stack_check
int optimize;
int optimize_size;
+int flag_compare_debug;
+enum stack_check_type flag_stack_check = NO_STACK_CHECK;
/* Post-switch processing. */
static bool
gnat_post_options (const char **pfilename ATTRIBUTE_UNUSED)
{
- /* Excess precision other than "fast" requires front-end
- support. */
+ /* Excess precision other than "fast" requires front-end support. */
if (flag_excess_precision_cmdline == EXCESS_PRECISION_STANDARD
&& TARGET_FLT_EVAL_METHOD_NON_DEFAULT)
sorry ("-fexcess-precision=standard for Ada");
/* No psABI change warnings for Ada. */
warn_psabi = 0;
- /* Force eliminate_unused_debug_types to 0 unless an explicit positive
- -f has been passed. This forces the default to 0 for Ada, which might
- differ from the common default. */
- if (flag_eliminate_unused_debug_types < 0)
- flag_eliminate_unused_debug_types = 1;
- else
- flag_eliminate_unused_debug_types = 0;
-
- /* Reflect the explicit request of DWARF extensions into the common
- flag for use by later passes. */
- if (write_symbols == DWARF2_DEBUG)
- use_gnu_debug_info_extensions = gnat_dwarf_extensions > 0;
-
optimize = global_options.x_optimize;
optimize_size = global_options.x_optimize_size;
+ flag_compare_debug = global_options.x_flag_compare_debug;
+ flag_stack_check = global_options.x_flag_stack_check;
return false;
}
/* Do little here, most of the standard declarations are set up after the
front-end has been run. Use the same `char' as C, this doesn't really
matter since we'll use the explicit `unsigned char' for Character. */
- build_common_tree_nodes (flag_signed_char);
-
- /* In Ada, we use the unsigned type corresponding to the width of Pmode as
- SIZETYPE. In most cases when ptr_mode and Pmode differ, C will use the
- width of ptr_mode for SIZETYPE, but we get better code using the width
- of Pmode. Note that, although we manipulate negative offsets for some
- internal constructs and rely on compile time overflow detection in size
- computations, using unsigned types for SIZETYPEs is fine since they are
- treated specially by the middle-end, in particular sign-extended. */
- size_type_node = gnat_type_for_mode (Pmode, 1);
- set_sizetype (size_type_node);
- TYPE_NAME (sizetype) = get_identifier ("size_type");
+ build_common_tree_nodes (flag_signed_char, false);
/* In Ada, we use an unsigned 8-bit type for the default boolean type. */
boolean_type_node = make_unsigned_type (8);
SET_TYPE_RM_MAX_VALUE (boolean_type_node,
build_int_cst (boolean_type_node, 1));
SET_TYPE_RM_SIZE (boolean_type_node, bitsize_int (1));
+ boolean_true_node = TYPE_MAX_VALUE (boolean_type_node);
+ boolean_false_node = TYPE_MIN_VALUE (boolean_type_node);
- build_common_tree_nodes_2 (0);
sbitsize_one_node = sbitsize_int (1);
sbitsize_unit_node = sbitsize_int (BITS_PER_UNIT);
- boolean_true_node = TYPE_MAX_VALUE (boolean_type_node);
ptr_void_type_node = build_pointer_type (void_type_node);
void
gnat_init_gcc_eh (void)
{
-#ifdef DWARF2_UNWIND_INFO
- /* lang_dependent_init already called dwarf2out_frame_init if true. */
- int dwarf2out_frame_initialized = dwarf2out_do_frame ();
-#endif
-
/* We shouldn't do anything if the No_Exceptions_Handler pragma is set,
though. This could for instance lead to the emission of tables with
references to symbols (such as the Ada eh personality routine) within
flag_non_call_exceptions = 1;
init_eh ();
-#ifdef DWARF2_UNWIND_INFO
- if (!dwarf2out_frame_initialized && dwarf2out_do_frame ())
- dwarf2out_frame_init ();
-#endif
}
/* Print language-specific items in declaration NODE. */
break;
case VAR_DECL:
- print_node (file, "renamed object", DECL_RENAMED_OBJECT (node),
- indent + 4);
+ if (DECL_LOOP_PARM_P (node))
+ print_node (file, "induction var", DECL_INDUCTION_VAR (node),
+ indent + 4);
+ else
+ print_node (file, "renamed object", DECL_RENAMED_OBJECT (node),
+ indent + 4);
break;
default:
return (const char *) IDENTIFIER_POINTER (DECL_NAME (decl));
}
+/* Return the descriptive type associated with TYPE, if any. */
+
+static tree
+gnat_descriptive_type (const_tree type)
+{
+ if (TYPE_STUB_DECL (type))
+ return DECL_PARALLEL_TYPE (TYPE_STUB_DECL (type));
+ else
+ return NULL_TREE;
+}
+
/* Return true if types T1 and T2 are identical for type hashing purposes.
Called only after doing all language independent checks. At present,
this function is only called when both types are FUNCTION_TYPE. */
/* If we don't have a constant, see what we can get from TYPE_ADA_SIZE,
which should stay untouched. */
if (!host_integerp (max_unitsize, 1)
- && (TREE_CODE (gnu_type) == RECORD_TYPE
- || TREE_CODE (gnu_type) == UNION_TYPE
- || TREE_CODE (gnu_type) == QUAL_UNION_TYPE)
+ && RECORD_OR_UNION_TYPE_P (gnu_type)
+ && !TYPE_FAT_POINTER_P (gnu_type)
&& TYPE_ADA_SIZE (gnu_type))
{
tree max_adasize = max_size (TYPE_ADA_SIZE (gnu_type), true);
*highval = TYPE_MAX_VALUE (gnu_type);
}
-/* GNU_TYPE is a type. Determine if it should be passed by reference by
- default. */
+/* GNU_TYPE is the type of a subprogram parameter. Determine if it should be
+ passed by reference by default. */
bool
default_pass_by_ref (tree gnu_type)
is an In Out parameter, but it's probably best to err on the side of
passing more things by reference. */
- if (pass_by_reference (NULL, TYPE_MODE (gnu_type), gnu_type, 1))
+ if (pass_by_reference (NULL, TYPE_MODE (gnu_type), gnu_type, true))
return true;
if (targetm.calls.return_in_memory (gnu_type, NULL_TREE))
return false;
}
-/* GNU_TYPE is the type of a subprogram parameter. Determine from the type if
- it should be passed by reference. */
+/* GNU_TYPE is the type of a subprogram parameter. Determine if it must be
+ passed by reference. */
bool
must_pass_by_ref (tree gnu_type)
and does not produce compatibility problems with C, since C does
not have such objects. */
return (TREE_CODE (gnu_type) == UNCONSTRAINED_ARRAY_TYPE
- || TREE_ADDRESSABLE (gnu_type)
+ || TYPE_IS_BY_REFERENCE_P (gnu_type)
|| (TYPE_SIZE (gnu_type)
&& TREE_CODE (TYPE_SIZE (gnu_type)) != INTEGER_CST));
}
+/* This function is called by the front-end to enumerate all the supported
+ modes for the machine, as well as some predefined C types. F is a function
+ which is called back with the parameters as listed below, first a string,
+ then seven ints. The name is any arbitrary null-terminated string and has
+ no particular significance, except for the case of predefined C types, where
+ it should be the name of the C type. For integer types, only signed types
+ should be listed, unsigned versions are assumed. The order of types should
+ be in order of preference, with the smallest/cheapest types first.
+
+ In particular, C predefined types should be listed before other types,
+ binary floating point types before decimal ones, and narrower/cheaper
+ type versions before more expensive ones. In type selection the first
+ matching variant will be used.
+
+ NAME pointer to first char of type name
+ DIGS number of decimal digits for floating-point modes, else 0
+ COMPLEX_P nonzero is this represents a complex mode
+ COUNT count of number of items, nonzero for vector mode
+ FLOAT_REP Float_Rep_Kind for FP, otherwise undefined
+ PRECISION number of bits used to store data
+ SIZE number of bits occupied by the mode
+ ALIGN number of bits to which mode is aligned. */
+
+void
+enumerate_modes (void (*f) (const char *, int, int, int, int, int, int, int))
+{
+ const tree c_types[]
+ = { float_type_node, double_type_node, long_double_type_node };
+ const char *const c_names[]
+ = { "float", "double", "long double" };
+ int iloop;
+
+ for (iloop = 0; iloop < NUM_MACHINE_MODES; iloop++)
+ {
+ enum machine_mode i = (enum machine_mode) iloop;
+ enum machine_mode inner_mode = i;
+ bool float_p = false;
+ bool complex_p = false;
+ bool vector_p = false;
+ bool skip_p = false;
+ int digs = 0;
+ unsigned int nameloop;
+ Float_Rep_Kind float_rep = IEEE_Binary; /* Until proven otherwise */
+
+ switch (GET_MODE_CLASS (i))
+ {
+ case MODE_INT:
+ break;
+ case MODE_FLOAT:
+ float_p = true;
+ break;
+ case MODE_COMPLEX_INT:
+ complex_p = true;
+ inner_mode = GET_MODE_INNER (i);
+ break;
+ case MODE_COMPLEX_FLOAT:
+ float_p = true;
+ complex_p = true;
+ inner_mode = GET_MODE_INNER (i);
+ break;
+ case MODE_VECTOR_INT:
+ vector_p = true;
+ inner_mode = GET_MODE_INNER (i);
+ break;
+ case MODE_VECTOR_FLOAT:
+ float_p = true;
+ vector_p = true;
+ inner_mode = GET_MODE_INNER (i);
+ break;
+ default:
+ skip_p = true;
+ }
+
+ if (float_p)
+ {
+ const struct real_format *fmt = REAL_MODE_FORMAT (inner_mode);
+
+ /* ??? Cope with the ghost XFmode of the ARM port. */
+ if (!fmt)
+ continue;
+
+ if (fmt->b == 2)
+ digs = (fmt->p - 1) * 1233 / 4096; /* scale by log (2) */
+
+ else if (fmt->b == 10)
+ digs = fmt->p;
+
+ else
+ gcc_unreachable();
+
+ if (fmt == &vax_f_format
+ || fmt == &vax_d_format
+ || fmt == &vax_g_format)
+ float_rep = VAX_Native;
+ }
+
+ /* First register any C types for this mode that the front end
+ may need to know about, unless the mode should be skipped. */
+ if (!skip_p && !vector_p)
+ for (nameloop = 0; nameloop < ARRAY_SIZE (c_types); nameloop++)
+ {
+ tree type = c_types[nameloop];
+ const char *name = c_names[nameloop];
+
+ if (TYPE_MODE (type) == i)
+ {
+ f (name, digs, complex_p, 0, float_rep, TYPE_PRECISION (type),
+ TREE_INT_CST_LOW (TYPE_SIZE (type)), TYPE_ALIGN (type));
+ skip_p = true;
+ }
+ }
+
+ /* If no predefined C types were found, register the mode itself. */
+ if (!skip_p)
+ f (GET_MODE_NAME (i), digs, complex_p,
+ vector_p ? GET_MODE_NUNITS (i) : 0, float_rep,
+ GET_MODE_PRECISION (i), GET_MODE_BITSIZE (i),
+ GET_MODE_ALIGNMENT (i));
+ }
+}
+
/* Return the size of the FP mode with precision PREC. */
int
static GTY(()) tree gnat_eh_personality_decl;
+/* Return the GNAT personality function decl. */
+
static tree
gnat_eh_personality (void)
{
if (!gnat_eh_personality_decl)
- gnat_eh_personality_decl
- = build_personality_function (targetm.except_unwind_info () == UI_SJLJ
- ? "__gnat_eh_personality_sj"
- : "__gnat_eh_personality");
-
+ gnat_eh_personality_decl = build_personality_function ("gnat");
return gnat_eh_personality_decl;
}
+/* Initialize language-specific bits of tree_contains_struct. */
+
+static void
+gnat_init_ts (void)
+{
+ MARK_TS_COMMON (UNCONSTRAINED_ARRAY_TYPE);
+
+ MARK_TS_TYPED (UNCONSTRAINED_ARRAY_REF);
+ MARK_TS_TYPED (NULL_EXPR);
+ MARK_TS_TYPED (PLUS_NOMOD_EXPR);
+ MARK_TS_TYPED (MINUS_NOMOD_EXPR);
+ MARK_TS_TYPED (ATTR_ADDR_EXPR);
+ MARK_TS_TYPED (STMT_STMT);
+ MARK_TS_TYPED (LOOP_STMT);
+ MARK_TS_TYPED (EXIT_STMT);
+}
+
+/* Definitions for our language-specific hooks. */
+
+#undef LANG_HOOKS_NAME
+#define LANG_HOOKS_NAME "GNU Ada"
+#undef LANG_HOOKS_IDENTIFIER_SIZE
+#define LANG_HOOKS_IDENTIFIER_SIZE sizeof (struct tree_identifier)
+#undef LANG_HOOKS_INIT
+#define LANG_HOOKS_INIT gnat_init
+#undef LANG_HOOKS_OPTION_LANG_MASK
+#define LANG_HOOKS_OPTION_LANG_MASK gnat_option_lang_mask
+#undef LANG_HOOKS_INIT_OPTIONS_STRUCT
+#define LANG_HOOKS_INIT_OPTIONS_STRUCT gnat_init_options_struct
+#undef LANG_HOOKS_INIT_OPTIONS
+#define LANG_HOOKS_INIT_OPTIONS gnat_init_options
+#undef LANG_HOOKS_HANDLE_OPTION
+#define LANG_HOOKS_HANDLE_OPTION gnat_handle_option
+#undef LANG_HOOKS_POST_OPTIONS
+#define LANG_HOOKS_POST_OPTIONS gnat_post_options
+#undef LANG_HOOKS_PARSE_FILE
+#define LANG_HOOKS_PARSE_FILE gnat_parse_file
+#undef LANG_HOOKS_TYPE_HASH_EQ
+#define LANG_HOOKS_TYPE_HASH_EQ gnat_type_hash_eq
+#undef LANG_HOOKS_GETDECLS
+#define LANG_HOOKS_GETDECLS lhd_return_null_tree_v
+#undef LANG_HOOKS_PUSHDECL
+#define LANG_HOOKS_PUSHDECL gnat_return_tree
+#undef LANG_HOOKS_WRITE_GLOBALS
+#define LANG_HOOKS_WRITE_GLOBALS gnat_write_global_declarations
+#undef LANG_HOOKS_GET_ALIAS_SET
+#define LANG_HOOKS_GET_ALIAS_SET gnat_get_alias_set
+#undef LANG_HOOKS_PRINT_DECL
+#define LANG_HOOKS_PRINT_DECL gnat_print_decl
+#undef LANG_HOOKS_PRINT_TYPE
+#define LANG_HOOKS_PRINT_TYPE gnat_print_type
+#undef LANG_HOOKS_TYPE_MAX_SIZE
+#define LANG_HOOKS_TYPE_MAX_SIZE gnat_type_max_size
+#undef LANG_HOOKS_DECL_PRINTABLE_NAME
+#define LANG_HOOKS_DECL_PRINTABLE_NAME gnat_printable_name
+#undef LANG_HOOKS_DWARF_NAME
+#define LANG_HOOKS_DWARF_NAME gnat_dwarf_name
+#undef LANG_HOOKS_GIMPLIFY_EXPR
+#define LANG_HOOKS_GIMPLIFY_EXPR gnat_gimplify_expr
+#undef LANG_HOOKS_TYPE_FOR_MODE
+#define LANG_HOOKS_TYPE_FOR_MODE gnat_type_for_mode
+#undef LANG_HOOKS_TYPE_FOR_SIZE
+#define LANG_HOOKS_TYPE_FOR_SIZE gnat_type_for_size
+#undef LANG_HOOKS_TYPES_COMPATIBLE_P
+#define LANG_HOOKS_TYPES_COMPATIBLE_P gnat_types_compatible_p
+#undef LANG_HOOKS_GET_SUBRANGE_BOUNDS
+#define LANG_HOOKS_GET_SUBRANGE_BOUNDS gnat_get_subrange_bounds
+#undef LANG_HOOKS_DESCRIPTIVE_TYPE
+#define LANG_HOOKS_DESCRIPTIVE_TYPE gnat_descriptive_type
+#undef LANG_HOOKS_ATTRIBUTE_TABLE
+#define LANG_HOOKS_ATTRIBUTE_TABLE gnat_internal_attribute_table
+#undef LANG_HOOKS_BUILTIN_FUNCTION
+#define LANG_HOOKS_BUILTIN_FUNCTION gnat_builtin_function
+#undef LANG_HOOKS_EH_PERSONALITY
+#define LANG_HOOKS_EH_PERSONALITY gnat_eh_personality
+#undef LANG_HOOKS_DEEP_UNSHARING
+#define LANG_HOOKS_DEEP_UNSHARING true
+#undef LANG_HOOKS_INIT_TS
+#define LANG_HOOKS_INIT_TS gnat_init_ts
+
+struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
+
#include "gt-ada-misc.h"