* *
* C Implementation File *
* *
- * Copyright (C) 1992-2009, Free Software Foundation, Inc. *
+ * Copyright (C) 1992-2010, 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- *
static bool gnat_init (void);
static unsigned int gnat_init_options (unsigned int, const char **);
-static int gnat_handle_option (size_t, const char *, int);
+static int gnat_handle_option (size_t, const char *, int, int);
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 const char *gnat_printable_name (tree, int);
static const char *gnat_dwarf_name (tree, int);
static tree gnat_return_tree (tree);
-static int gnat_eh_type_covers (tree, tree);
static void gnat_parse_file (int);
static void internal_error_function (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. */
#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_MARK_ADDRESSABLE
-#define LANG_HOOKS_MARK_ADDRESSABLE gnat_mark_addressable
#undef LANG_HOOKS_PRINT_DECL
#define LANG_HOOKS_PRINT_DECL gnat_print_decl
#undef LANG_HOOKS_PRINT_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
+#define LANG_HOOKS_BUILTIN_FUNCTION gnat_builtin_function
+#undef LANG_HOOKS_EH_PERSONALITY
+#define LANG_HOOKS_EH_PERSONALITY gnat_eh_personality
-const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
+struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
/* 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
/* Call the front end. */
_ada_gnat1drv ();
-
- /* We always have a single compilation unit in Ada. */
- cgraph_finalize_compilation_unit ();
}
/* Decode all the language specific options that cannot be decoded by GCC.
that have been successfully decoded or 0 on failure. */
static int
-gnat_handle_option (size_t scode, const char *arg, int value)
+gnat_handle_option (size_t scode, const char *arg, int value,
+ int kind ATTRIBUTE_UNUSED)
{
const struct cl_option *option = &cl_options[scode];
enum opt_code code = (enum opt_code) scode;
case OPT_Wall:
warn_unused = value;
-
- /* We save the value of warn_uninitialized, since if they put
- -Wuninitialized on the command line, we need to generate a
- warning about not using it without also specifying -O. */
- if (warn_uninitialized != 1)
- warn_uninitialized = (value ? 2 : 0);
+ warn_uninitialized = value;
break;
/* These are used in the GCC Makefile. */
static bool
gnat_init (void)
{
- /* Performs whatever initialization steps needed by the language-dependent
- lexical analyzer. */
- gnat_init_decl_processing ();
+ /* 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, true);
+
+ /* In Ada, we use a signed type for SIZETYPE. Use the signed type
+ corresponding to the width of Pmode. In most cases when ptr_mode
+ and Pmode differ, C will use the width of ptr_mode for SIZETYPE.
+ But we get far better code using the width of Pmode. */
+ size_type_node = gnat_type_for_mode (Pmode, 0);
+ set_sizetype (size_type_node);
+ TYPE_NAME (sizetype) = get_identifier ("size_type");
+
+ /* In Ada, we use an unsigned 8-bit type for the default boolean type. */
+ boolean_type_node = make_unsigned_type (8);
+ TREE_SET_CODE (boolean_type_node, BOOLEAN_TYPE);
+ 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));
+
+ 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);
+
+ /* Show that REFERENCE_TYPEs are internal and should be Pmode. */
+ internal_reference_types ();
/* Add the input filename as the last argument. */
if (main_input_filename)
gnat_argv[gnat_argc] = NULL;
}
+ /* Register our internal error function. */
global_dc->internal_error = &internal_error_function;
- /* Show that REFERENCE_TYPEs are internal and should be Pmode. */
- internal_reference_types ();
-
return true;
}
right exception regions. */
using_eh_for_cleanups ();
- eh_personality_libfunc = init_one_libfunc (USING_SJLJ_EXCEPTIONS
- ? "__gnat_eh_personality_sj"
- : "__gnat_eh_personality");
- lang_eh_type_covers = gnat_eh_type_covers;
- lang_eh_runtime_type = gnat_return_tree;
- default_init_unwind_resume_libfunc ();
-
/* Turn on -fexceptions and -fnon-call-exceptions. The first one triggers
the generation of the necessary exception runtime tables. The second one
is useful for two reasons: 1/ we map some asynchronous signals like SEGV
switch (TREE_CODE (node))
{
case CONST_DECL:
- print_node (file, "const_corresponding_var",
+ print_node (file, "corresponding var",
DECL_CONST_CORRESPONDING_VAR (node), indent + 4);
break;
case FIELD_DECL:
- print_node (file, "original_field", DECL_ORIGINAL_FIELD (node),
+ print_node (file, "original field", DECL_ORIGINAL_FIELD (node),
indent + 4);
break;
case VAR_DECL:
- print_node (file, "renamed_object", DECL_RENAMED_OBJECT (node),
+ print_node (file, "renamed object", DECL_RENAMED_OBJECT (node),
indent + 4);
break;
switch (TREE_CODE (node))
{
case FUNCTION_TYPE:
- print_node (file, "ci_co_list", TYPE_CI_CO_LIST (node), indent + 4);
+ print_node (file, "ci/co list", TYPE_CI_CO_LIST (node), indent + 4);
break;
case INTEGER_TYPE:
print_node (file,"actual bounds", TYPE_ACTUAL_BOUNDS (node), indent + 4);
break;
+ case VECTOR_TYPE:
+ print_node (file,"representative array",
+ TYPE_REPRESENTATIVE_ARRAY (node), indent + 4);
+ break;
+
case RECORD_TYPE:
- if (TYPE_IS_FAT_POINTER_P (node) || TYPE_CONTAINS_TEMPLATE_P (node))
+ if (TYPE_FAT_POINTER_P (node) || TYPE_CONTAINS_TEMPLATE_P (node))
print_node (file, "unconstrained array",
TYPE_UNCONSTRAINED_ARRAY (node), indent + 4);
else
return t;
}
-/* Return true if type A catches type B. Callback for flow analysis from
- the exception handling part of the back-end. */
-
-static int
-gnat_eh_type_covers (tree a, tree b)
-{
- /* a catches b if they represent the same exception id or if a
- is an "others".
-
- ??? integer_zero_node for "others" is hardwired in too many places
- currently. */
- return (a == b || a == integer_zero_node);
-}
-\f
/* Get the alias set corresponding to a type or expression. */
static alias_set_type
gnat_get_alias_set (tree type)
{
/* If this is a padding type, use the type of the first field. */
- if (TREE_CODE (type) == RECORD_TYPE
- && TYPE_IS_PADDING_P (type))
+ if (TYPE_IS_PADDING_P (type))
return get_alias_set (TREE_TYPE (TYPE_FIELDS (type)));
/* If the type is an unconstrained array, use the type of the
static void
gnat_get_subrange_bounds (const_tree gnu_type, tree *lowval, tree *highval)
{
- tree min = TYPE_MIN_VALUE (gnu_type);
- tree max = TYPE_MAX_VALUE (gnu_type);
- /* If the bounds aren't constant, use non-representable constant values
- to get the same effect on debug info without tree sharing issues. */
- *lowval
- = TREE_CONSTANT (min) ? min : build_int_cstu (integer_type_node, -1);
- *highval
- = TREE_CONSTANT (max) ? max : build_int_cstu (integer_type_node, -1);
+ *lowval = TYPE_MIN_VALUE (gnu_type);
+ *highval = TYPE_MAX_VALUE (gnu_type);
}
/* GNU_TYPE is a type. Determine if it should be passed by reference by
and does not produce compatibility problems with C, since C does
not have such objects. */
return (TREE_CODE (gnu_type) == UNCONSTRAINED_ARRAY_TYPE
- || (AGGREGATE_TYPE_P (gnu_type) && TYPE_BY_REFERENCE_P (gnu_type))
+ || TREE_ADDRESSABLE (gnu_type)
|| (TYPE_SIZE (gnu_type)
&& TREE_CODE (TYPE_SIZE (gnu_type)) != INTEGER_CST));
}
void
enumerate_modes (void (*f) (int, int, int, int, int, int, unsigned int))
{
- enum machine_mode i;
+ int iloop;
- for (i = 0; i < NUM_MACHINE_MODES; i++)
+ for (iloop = 0; iloop < NUM_MACHINE_MODES; iloop++)
{
+ enum machine_mode i = (enum machine_mode) iloop;
enum machine_mode j;
bool float_p = 0;
bool complex_p = 0;
gcc_unreachable ();
}
+
+static GTY(()) tree gnat_eh_personality_decl;
+
+static tree
+gnat_eh_personality (void)
+{
+ if (!gnat_eh_personality_decl)
+ gnat_eh_personality_decl
+ = build_personality_function (USING_SJLJ_EXCEPTIONS
+ ? "__gnat_eh_personality_sj"
+ : "__gnat_eh_personality");
+
+ return gnat_eh_personality_decl;
+}
+
+#include "gt-ada-misc.h"
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