1 /****************************************************************************
3 * GNAT COMPILER COMPONENTS *
7 * C Implementation File *
9 * Copyright (C) 1992-2011, Free Software Foundation, Inc. *
11 * GNAT is free software; you can redistribute it and/or modify it under *
12 * terms of the GNU General Public License as published by the Free Soft- *
13 * ware Foundation; either version 3, or (at your option) any later ver- *
14 * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
15 * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
17 * for more details. You should have received a copy of the GNU General *
18 * Public License distributed with GNAT; see file COPYING3. If not see *
19 * <http://www.gnu.org/licenses/>. *
21 * GNAT was originally developed by the GNAT team at New York University. *
22 * Extensive contributions were provided by Ada Core Technologies Inc. *
24 ****************************************************************************/
28 #include "coretypes.h"
31 #include "diagnostic.h"
37 #include "langhooks.h"
38 #include "langhooks-def.h"
42 #include "function.h" /* For pass_by_reference. */
45 #include "adadecode.h"
59 /* This symbol needs to be defined for the front-end. */
60 void *callgraph_info_file = NULL;
62 /* Command-line argc and argv. These variables are global since they are
63 imported in back_end.adb. */
64 unsigned int save_argc;
65 const char **save_argv;
67 /* GNAT argc and argv. */
69 extern char **gnat_argv;
71 /* Declare functions we use as part of startup. */
72 extern void __gnat_initialize (void *);
73 extern void __gnat_install_SEH_handler (void *);
74 extern void adainit (void);
75 extern void _ada_gnat1drv (void);
77 /* The parser for the language. For us, we process the GNAT tree. */
80 gnat_parse_file (void)
84 /* Call the target specific initializations. */
85 __gnat_initialize (NULL);
87 /* ??? Call the SEH initialization routine. This is to workaround
88 a bootstrap path problem. The call below should be removed at some
89 point and the SEH pointer passed to __gnat_initialize() above. */
90 __gnat_install_SEH_handler((void *)seh);
92 /* Call the front-end elaboration procedures. */
95 /* Call the front end. */
99 /* Decode all the language specific options that cannot be decoded by GCC.
100 The option decoding phase of GCC calls this routine on the flags that
101 are marked as Ada-specific. Return true on success or false on failure. */
104 gnat_handle_option (size_t scode, const char *arg ATTRIBUTE_UNUSED, int value,
105 int kind ATTRIBUTE_UNUSED, location_t loc ATTRIBUTE_UNUSED,
106 const struct cl_option_handlers *handlers ATTRIBUTE_UNUSED)
108 enum opt_code code = (enum opt_code) scode;
114 warn_uninitialized = value;
117 case OPT_Wmissing_prototypes:
118 case OPT_Wstrict_prototypes:
119 case OPT_Wwrite_strings:
121 case OPT_Wvariadic_macros:
122 case OPT_Wold_style_definition:
123 case OPT_Wmissing_format_attribute:
124 case OPT_Woverlength_strings:
125 /* These are used in the GCC Makefile. */
128 case OPT_feliminate_unused_debug_types:
129 /* We arrange for post_option to be able to only set the corresponding
130 flag to 1 when explicitly requested by the user. We expect the
131 default flag value to be either 0 or positive, and expose a positive
132 -f as a negative value to post_option. */
133 flag_eliminate_unused_debug_types = -value;
137 warning (0, "%<-gnat%> misspelled as %<-gant%>");
139 /* ... fall through ... */
147 /* These are handled by the front-end. */
157 /* Return language mask for option processing. */
160 gnat_option_lang_mask (void)
165 /* Initialize options structure OPTS. */
168 gnat_init_options_struct (struct gcc_options *opts)
170 /* Uninitialized really means uninitialized in Ada. */
171 opts->x_flag_zero_initialized_in_bss = 0;
174 /* Initialize for option processing. */
177 gnat_init_options (unsigned int decoded_options_count,
178 struct cl_decoded_option *decoded_options)
180 /* Reconstruct an argv array for use of back_end.adb.
182 ??? back_end.adb should not rely on this; instead, it should work with
183 decoded options without such reparsing, to ensure consistency in how
184 options are decoded. */
187 save_argv = XNEWVEC (const char *, 2 * decoded_options_count + 1);
189 for (i = 0; i < decoded_options_count; i++)
191 size_t num_elements = decoded_options[i].canonical_option_num_elements;
193 if (decoded_options[i].errors
194 || decoded_options[i].opt_index == OPT_SPECIAL_unknown
195 || num_elements == 0)
198 /* Deal with -I- specially since it must be a single switch. */
199 if (decoded_options[i].opt_index == OPT_I
201 && decoded_options[i].canonical_option[1][0] == '-'
202 && decoded_options[i].canonical_option[1][1] == '\0')
203 save_argv[save_argc++] = "-I-";
206 gcc_assert (num_elements >= 1 && num_elements <= 2);
207 save_argv[save_argc++] = decoded_options[i].canonical_option[0];
208 if (num_elements >= 2)
209 save_argv[save_argc++] = decoded_options[i].canonical_option[1];
212 save_argv[save_argc] = NULL;
214 gnat_argv = (char **) xmalloc (sizeof (save_argv[0]));
215 gnat_argv[0] = xstrdup (save_argv[0]); /* name of the command */
219 /* Ada code requires variables for these settings rather than elements
220 of the global_options structure. */
223 #undef flag_compare_debug
224 #undef flag_stack_check
227 int flag_compare_debug;
228 enum stack_check_type flag_stack_check = NO_STACK_CHECK;
230 /* Post-switch processing. */
233 gnat_post_options (const char **pfilename ATTRIBUTE_UNUSED)
235 /* Excess precision other than "fast" requires front-end
237 if (flag_excess_precision_cmdline == EXCESS_PRECISION_STANDARD
238 && TARGET_FLT_EVAL_METHOD_NON_DEFAULT)
239 sorry ("-fexcess-precision=standard for Ada");
240 flag_excess_precision_cmdline = EXCESS_PRECISION_FAST;
242 /* ??? The warning machinery is outsmarted by Ada. */
243 warn_unused_parameter = 0;
245 /* No psABI change warnings for Ada. */
248 /* Force eliminate_unused_debug_types to 0 unless an explicit positive
249 -f has been passed. This forces the default to 0 for Ada, which might
250 differ from the common default. */
251 if (flag_eliminate_unused_debug_types < 0)
252 flag_eliminate_unused_debug_types = 1;
254 flag_eliminate_unused_debug_types = 0;
256 optimize = global_options.x_optimize;
257 optimize_size = global_options.x_optimize_size;
258 flag_compare_debug = global_options.x_flag_compare_debug;
259 flag_stack_check = global_options.x_flag_stack_check;
264 /* Here is the function to handle the compiler error processing in GCC. */
267 internal_error_function (diagnostic_context *context,
268 const char *msgid, va_list *ap)
271 char *buffer, *p, *loc;
272 String_Template temp, temp_loc;
273 Fat_Pointer fp, fp_loc;
276 /* Warn if plugins present. */
279 /* Reset the pretty-printer. */
280 pp_clear_output_area (context->printer);
282 /* Format the message into the pretty-printer. */
283 tinfo.format_spec = msgid;
285 tinfo.err_no = errno;
286 pp_format_verbatim (context->printer, &tinfo);
288 /* Extract a (writable) pointer to the formatted text. */
289 buffer = xstrdup (pp_formatted_text (context->printer));
291 /* Go up to the first newline. */
292 for (p = buffer; *p; p++)
300 temp.High_Bound = p - buffer;
304 s = expand_location (input_location);
305 if (context->show_column && s.column != 0)
306 asprintf (&loc, "%s:%d:%d", s.file, s.line, s.column);
308 asprintf (&loc, "%s:%d", s.file, s.line);
309 temp_loc.Low_Bound = 1;
310 temp_loc.High_Bound = strlen (loc);
311 fp_loc.Bounds = &temp_loc;
314 Current_Error_Node = error_gnat_node;
315 Compiler_Abort (fp, -1, fp_loc);
318 /* Perform all the initialization steps that are language-specific. */
323 /* Do little here, most of the standard declarations are set up after the
324 front-end has been run. Use the same `char' as C, this doesn't really
325 matter since we'll use the explicit `unsigned char' for Character. */
326 build_common_tree_nodes (flag_signed_char);
328 /* In Ada, we use the unsigned type corresponding to the width of Pmode as
329 SIZETYPE. In most cases when ptr_mode and Pmode differ, C will use the
330 width of ptr_mode for SIZETYPE, but we get better code using the width
331 of Pmode. Note that, although we manipulate negative offsets for some
332 internal constructs and rely on compile time overflow detection in size
333 computations, using unsigned types for SIZETYPEs is fine since they are
334 treated specially by the middle-end, in particular sign-extended. */
335 size_type_node = gnat_type_for_mode (Pmode, 1);
336 set_sizetype (size_type_node);
337 TYPE_NAME (sizetype) = get_identifier ("size_type");
339 /* In Ada, we use an unsigned 8-bit type for the default boolean type. */
340 boolean_type_node = make_unsigned_type (8);
341 TREE_SET_CODE (boolean_type_node, BOOLEAN_TYPE);
342 SET_TYPE_RM_MAX_VALUE (boolean_type_node,
343 build_int_cst (boolean_type_node, 1));
344 SET_TYPE_RM_SIZE (boolean_type_node, bitsize_int (1));
346 build_common_tree_nodes_2 (0);
347 sbitsize_one_node = sbitsize_int (1);
348 sbitsize_unit_node = sbitsize_int (BITS_PER_UNIT);
349 boolean_true_node = TYPE_MAX_VALUE (boolean_type_node);
351 ptr_void_type_node = build_pointer_type (void_type_node);
353 /* Show that REFERENCE_TYPEs are internal and should be Pmode. */
354 internal_reference_types ();
356 /* Register our internal error function. */
357 global_dc->internal_error = &internal_error_function;
362 /* If we are using the GCC mechanism to process exception handling, we
363 have to register the personality routine for Ada and to initialize
364 various language dependent hooks. */
367 gnat_init_gcc_eh (void)
369 #ifdef DWARF2_UNWIND_INFO
370 /* lang_dependent_init already called dwarf2out_frame_init if true. */
371 int dwarf2out_frame_initialized = dwarf2out_do_frame ();
374 /* We shouldn't do anything if the No_Exceptions_Handler pragma is set,
375 though. This could for instance lead to the emission of tables with
376 references to symbols (such as the Ada eh personality routine) within
377 libraries we won't link against. */
378 if (No_Exception_Handlers_Set ())
381 /* Tell GCC we are handling cleanup actions through exception propagation.
382 This opens possibilities that we don't take advantage of yet, but is
383 nonetheless necessary to ensure that fixup code gets assigned to the
384 right exception regions. */
385 using_eh_for_cleanups ();
387 /* Turn on -fexceptions and -fnon-call-exceptions. The first one triggers
388 the generation of the necessary exception tables. The second one is
389 useful for two reasons: 1/ we map some asynchronous signals like SEGV to
390 exceptions, so we need to ensure that the insns which can lead to such
391 signals are correctly attached to the exception region they pertain to,
392 2/ Some calls to pure subprograms are handled as libcall blocks and then
393 marked as "cannot trap" if the flag is not set (see emit_libcall_block).
394 We should not let this be since it is possible for such calls to actually
397 flag_non_call_exceptions = 1;
401 #ifdef DWARF2_UNWIND_INFO
402 if (!dwarf2out_frame_initialized && dwarf2out_do_frame ())
403 dwarf2out_frame_init ();
407 /* Print language-specific items in declaration NODE. */
410 gnat_print_decl (FILE *file, tree node, int indent)
412 switch (TREE_CODE (node))
415 print_node (file, "corresponding var",
416 DECL_CONST_CORRESPONDING_VAR (node), indent + 4);
420 print_node (file, "original field", DECL_ORIGINAL_FIELD (node),
425 print_node (file, "renamed object", DECL_RENAMED_OBJECT (node),
434 /* Print language-specific items in type NODE. */
437 gnat_print_type (FILE *file, tree node, int indent)
439 switch (TREE_CODE (node))
442 print_node (file, "ci/co list", TYPE_CI_CO_LIST (node), indent + 4);
446 if (TYPE_MODULAR_P (node))
447 print_node_brief (file, "modulus", TYPE_MODULUS (node), indent + 4);
448 else if (TYPE_HAS_ACTUAL_BOUNDS_P (node))
449 print_node (file, "actual bounds", TYPE_ACTUAL_BOUNDS (node),
451 else if (TYPE_VAX_FLOATING_POINT_P (node))
454 print_node (file, "index type", TYPE_INDEX_TYPE (node), indent + 4);
456 /* ... fall through ... */
460 print_node_brief (file, "RM size", TYPE_RM_SIZE (node), indent + 4);
462 /* ... fall through ... */
465 print_node_brief (file, "RM min", TYPE_RM_MIN_VALUE (node), indent + 4);
466 print_node_brief (file, "RM max", TYPE_RM_MAX_VALUE (node), indent + 4);
470 print_node (file,"actual bounds", TYPE_ACTUAL_BOUNDS (node), indent + 4);
474 print_node (file,"representative array",
475 TYPE_REPRESENTATIVE_ARRAY (node), indent + 4);
479 if (TYPE_FAT_POINTER_P (node) || TYPE_CONTAINS_TEMPLATE_P (node))
480 print_node (file, "unconstrained array",
481 TYPE_UNCONSTRAINED_ARRAY (node), indent + 4);
483 print_node (file, "Ada size", TYPE_ADA_SIZE (node), indent + 4);
487 case QUAL_UNION_TYPE:
488 print_node (file, "Ada size", TYPE_ADA_SIZE (node), indent + 4);
496 /* Return the name to be printed for DECL. */
499 gnat_printable_name (tree decl, int verbosity)
501 const char *coded_name = IDENTIFIER_POINTER (DECL_NAME (decl));
502 char *ada_name = (char *) ggc_alloc_atomic (strlen (coded_name) * 2 + 60);
504 __gnat_decode (coded_name, ada_name, 0);
506 if (verbosity == 2 && !DECL_IS_BUILTIN (decl))
508 Set_Identifier_Casing (ada_name, DECL_SOURCE_FILE (decl));
509 return ggc_strdup (Name_Buffer);
515 /* Return the name to be used in DWARF debug info for DECL. */
518 gnat_dwarf_name (tree decl, int verbosity ATTRIBUTE_UNUSED)
520 gcc_assert (DECL_P (decl));
521 return (const char *) IDENTIFIER_POINTER (DECL_NAME (decl));
524 /* Return the descriptive type associated with TYPE, if any. */
527 gnat_descriptive_type (const_tree type)
529 if (TYPE_STUB_DECL (type))
530 return DECL_PARALLEL_TYPE (TYPE_STUB_DECL (type));
535 /* Return true if types T1 and T2 are identical for type hashing purposes.
536 Called only after doing all language independent checks. At present,
537 this function is only called when both types are FUNCTION_TYPE. */
540 gnat_type_hash_eq (const_tree t1, const_tree t2)
542 gcc_assert (TREE_CODE (t1) == FUNCTION_TYPE);
543 return fntype_same_flags_p (t1, TYPE_CI_CO_LIST (t2),
544 TYPE_RETURN_UNCONSTRAINED_P (t2),
545 TYPE_RETURN_BY_DIRECT_REF_P (t2),
546 TREE_ADDRESSABLE (t2));
549 /* Do nothing (return the tree node passed). */
552 gnat_return_tree (tree t)
557 /* Get the alias set corresponding to a type or expression. */
559 static alias_set_type
560 gnat_get_alias_set (tree type)
562 /* If this is a padding type, use the type of the first field. */
563 if (TYPE_IS_PADDING_P (type))
564 return get_alias_set (TREE_TYPE (TYPE_FIELDS (type)));
566 /* If the type is an unconstrained array, use the type of the
567 self-referential array we make. */
568 else if (TREE_CODE (type) == UNCONSTRAINED_ARRAY_TYPE)
570 get_alias_set (TREE_TYPE (TREE_TYPE (TYPE_FIELDS (TREE_TYPE (type)))));
572 /* If the type can alias any other types, return the alias set 0. */
573 else if (TYPE_P (type)
574 && TYPE_UNIVERSAL_ALIASING_P (TYPE_MAIN_VARIANT (type)))
580 /* GNU_TYPE is a type. Return its maximum size in bytes, if known,
581 as a constant when possible. */
584 gnat_type_max_size (const_tree gnu_type)
586 /* First see what we can get from TYPE_SIZE_UNIT, which might not
587 be constant even for simple expressions if it has already been
588 elaborated and possibly replaced by a VAR_DECL. */
589 tree max_unitsize = max_size (TYPE_SIZE_UNIT (gnu_type), true);
591 /* If we don't have a constant, see what we can get from TYPE_ADA_SIZE,
592 which should stay untouched. */
593 if (!host_integerp (max_unitsize, 1)
594 && (TREE_CODE (gnu_type) == RECORD_TYPE
595 || TREE_CODE (gnu_type) == UNION_TYPE
596 || TREE_CODE (gnu_type) == QUAL_UNION_TYPE)
597 && TYPE_ADA_SIZE (gnu_type))
599 tree max_adasize = max_size (TYPE_ADA_SIZE (gnu_type), true);
601 /* If we have succeeded in finding a constant, round it up to the
602 type's alignment and return the result in units. */
603 if (host_integerp (max_adasize, 1))
605 = size_binop (CEIL_DIV_EXPR,
606 round_up (max_adasize, TYPE_ALIGN (gnu_type)),
613 /* GNU_TYPE is a subtype of an integral type. Set LOWVAL to the low bound
614 and HIGHVAL to the high bound, respectively. */
617 gnat_get_subrange_bounds (const_tree gnu_type, tree *lowval, tree *highval)
619 *lowval = TYPE_MIN_VALUE (gnu_type);
620 *highval = TYPE_MAX_VALUE (gnu_type);
623 /* GNU_TYPE is the type of a subprogram parameter. Determine if it should be
624 passed by reference by default. */
627 default_pass_by_ref (tree gnu_type)
629 /* We pass aggregates by reference if they are sufficiently large. The
630 choice of constant here is somewhat arbitrary. We also pass by
631 reference if the target machine would either pass or return by
632 reference. Strictly speaking, we need only check the return if this
633 is an In Out parameter, but it's probably best to err on the side of
634 passing more things by reference. */
636 if (pass_by_reference (NULL, TYPE_MODE (gnu_type), gnu_type, true))
639 if (targetm.calls.return_in_memory (gnu_type, NULL_TREE))
642 if (AGGREGATE_TYPE_P (gnu_type)
643 && (!host_integerp (TYPE_SIZE (gnu_type), 1)
644 || 0 < compare_tree_int (TYPE_SIZE (gnu_type),
645 8 * TYPE_ALIGN (gnu_type))))
651 /* GNU_TYPE is the type of a subprogram parameter. Determine if it must be
652 passed by reference. */
655 must_pass_by_ref (tree gnu_type)
657 /* We pass only unconstrained objects, those required by the language
658 to be passed by reference, and objects of variable size. The latter
659 is more efficient, avoids problems with variable size temporaries,
660 and does not produce compatibility problems with C, since C does
661 not have such objects. */
662 return (TREE_CODE (gnu_type) == UNCONSTRAINED_ARRAY_TYPE
663 || TREE_ADDRESSABLE (gnu_type)
664 || (TYPE_SIZE (gnu_type)
665 && TREE_CODE (TYPE_SIZE (gnu_type)) != INTEGER_CST));
668 /* Return the size of the FP mode with precision PREC. */
671 fp_prec_to_size (int prec)
673 enum machine_mode mode;
675 for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT); mode != VOIDmode;
676 mode = GET_MODE_WIDER_MODE (mode))
677 if (GET_MODE_PRECISION (mode) == prec)
678 return GET_MODE_BITSIZE (mode);
683 /* Return the precision of the FP mode with size SIZE. */
686 fp_size_to_prec (int size)
688 enum machine_mode mode;
690 for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT); mode != VOIDmode;
691 mode = GET_MODE_WIDER_MODE (mode))
692 if (GET_MODE_BITSIZE (mode) == size)
693 return GET_MODE_PRECISION (mode);
698 static GTY(()) tree gnat_eh_personality_decl;
700 /* Return the GNAT personality function decl. */
703 gnat_eh_personality (void)
705 if (!gnat_eh_personality_decl)
706 gnat_eh_personality_decl = build_personality_function ("gnat");
707 return gnat_eh_personality_decl;
710 /* Definitions for our language-specific hooks. */
712 #undef LANG_HOOKS_NAME
713 #define LANG_HOOKS_NAME "GNU Ada"
714 #undef LANG_HOOKS_IDENTIFIER_SIZE
715 #define LANG_HOOKS_IDENTIFIER_SIZE sizeof (struct tree_identifier)
716 #undef LANG_HOOKS_INIT
717 #define LANG_HOOKS_INIT gnat_init
718 #undef LANG_HOOKS_OPTION_LANG_MASK
719 #define LANG_HOOKS_OPTION_LANG_MASK gnat_option_lang_mask
720 #undef LANG_HOOKS_INIT_OPTIONS_STRUCT
721 #define LANG_HOOKS_INIT_OPTIONS_STRUCT gnat_init_options_struct
722 #undef LANG_HOOKS_INIT_OPTIONS
723 #define LANG_HOOKS_INIT_OPTIONS gnat_init_options
724 #undef LANG_HOOKS_HANDLE_OPTION
725 #define LANG_HOOKS_HANDLE_OPTION gnat_handle_option
726 #undef LANG_HOOKS_POST_OPTIONS
727 #define LANG_HOOKS_POST_OPTIONS gnat_post_options
728 #undef LANG_HOOKS_PARSE_FILE
729 #define LANG_HOOKS_PARSE_FILE gnat_parse_file
730 #undef LANG_HOOKS_TYPE_HASH_EQ
731 #define LANG_HOOKS_TYPE_HASH_EQ gnat_type_hash_eq
732 #undef LANG_HOOKS_GETDECLS
733 #define LANG_HOOKS_GETDECLS lhd_return_null_tree_v
734 #undef LANG_HOOKS_PUSHDECL
735 #define LANG_HOOKS_PUSHDECL gnat_return_tree
736 #undef LANG_HOOKS_WRITE_GLOBALS
737 #define LANG_HOOKS_WRITE_GLOBALS gnat_write_global_declarations
738 #undef LANG_HOOKS_GET_ALIAS_SET
739 #define LANG_HOOKS_GET_ALIAS_SET gnat_get_alias_set
740 #undef LANG_HOOKS_PRINT_DECL
741 #define LANG_HOOKS_PRINT_DECL gnat_print_decl
742 #undef LANG_HOOKS_PRINT_TYPE
743 #define LANG_HOOKS_PRINT_TYPE gnat_print_type
744 #undef LANG_HOOKS_TYPE_MAX_SIZE
745 #define LANG_HOOKS_TYPE_MAX_SIZE gnat_type_max_size
746 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
747 #define LANG_HOOKS_DECL_PRINTABLE_NAME gnat_printable_name
748 #undef LANG_HOOKS_DWARF_NAME
749 #define LANG_HOOKS_DWARF_NAME gnat_dwarf_name
750 #undef LANG_HOOKS_GIMPLIFY_EXPR
751 #define LANG_HOOKS_GIMPLIFY_EXPR gnat_gimplify_expr
752 #undef LANG_HOOKS_TYPE_FOR_MODE
753 #define LANG_HOOKS_TYPE_FOR_MODE gnat_type_for_mode
754 #undef LANG_HOOKS_TYPE_FOR_SIZE
755 #define LANG_HOOKS_TYPE_FOR_SIZE gnat_type_for_size
756 #undef LANG_HOOKS_TYPES_COMPATIBLE_P
757 #define LANG_HOOKS_TYPES_COMPATIBLE_P gnat_types_compatible_p
758 #undef LANG_HOOKS_GET_SUBRANGE_BOUNDS
759 #define LANG_HOOKS_GET_SUBRANGE_BOUNDS gnat_get_subrange_bounds
760 #undef LANG_HOOKS_DESCRIPTIVE_TYPE
761 #define LANG_HOOKS_DESCRIPTIVE_TYPE gnat_descriptive_type
762 #undef LANG_HOOKS_ATTRIBUTE_TABLE
763 #define LANG_HOOKS_ATTRIBUTE_TABLE gnat_internal_attribute_table
764 #undef LANG_HOOKS_BUILTIN_FUNCTION
765 #define LANG_HOOKS_BUILTIN_FUNCTION gnat_builtin_function
766 #undef LANG_HOOKS_EH_PERSONALITY
767 #define LANG_HOOKS_EH_PERSONALITY gnat_eh_personality
768 #undef LANG_HOOKS_DEEP_UNSHARING
769 #define LANG_HOOKS_DEEP_UNSHARING true
771 struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
773 #include "gt-ada-misc.h"