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184 lines
4.6 KiB
C
184 lines
4.6 KiB
C
/****************************************************************************
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* *
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* GNAT COMPILER COMPONENTS *
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* *
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* T A R G T Y P S *
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* *
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* Body *
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* *
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* Copyright (C) 1992-2004 Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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* ware Foundation; either version 2, or (at your option) any later ver- *
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* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
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* for more details. You should have received a copy of the GNU General *
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* Public License distributed with GNAT; see file COPYING. If not, write *
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* to the Free Software Foundation, 51 Franklin Street, Fifth Floor, *
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* Boston, MA 02110-1301, USA. *
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* *
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* As a special exception, if you link this file with other files to *
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* produce an executable, this file does not by itself cause the resulting *
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* executable to be covered by the GNU General Public License. This except- *
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* ion does not however invalidate any other reasons why the executable *
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* file might be covered by the GNU Public License. *
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* *
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* GNAT was originally developed by the GNAT team at New York University. *
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* Extensive contributions were provided by Ada Core Technologies Inc. *
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* *
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****************************************************************************/
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/* Functions for retrieving target types. See Ada package Get_Targ */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tree.h"
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#include "real.h"
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#include "rtl.h"
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#include "ada.h"
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#include "types.h"
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#include "atree.h"
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#include "elists.h"
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#include "namet.h"
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#include "nlists.h"
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#include "snames.h"
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#include "stringt.h"
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#include "uintp.h"
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#include "urealp.h"
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#include "fe.h"
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#include "sinfo.h"
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#include "einfo.h"
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#include "ada-tree.h"
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#include "gigi.h"
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/* If we don't have a specific size for Ada's equivalent of `long', use that
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of C. */
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#ifndef ADA_LONG_TYPE_SIZE
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#define ADA_LONG_TYPE_SIZE LONG_TYPE_SIZE
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#endif
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#ifndef WIDEST_HARDWARE_FP_SIZE
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#define WIDEST_HARDWARE_FP_SIZE LONG_DOUBLE_TYPE_SIZE
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#endif
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/* The following provide a functional interface for the front end Ada code
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to determine the sizes that are used for various C types. */
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Pos
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get_target_bits_per_unit (void)
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{
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return BITS_PER_UNIT;
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}
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Pos
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get_target_bits_per_word (void)
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{
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return BITS_PER_WORD;
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}
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Pos
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get_target_char_size (void)
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{
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return CHAR_TYPE_SIZE;
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}
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Pos
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get_target_wchar_t_size (void)
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{
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/* We never want wide chacters less than "short" in Ada. */
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return MAX (SHORT_TYPE_SIZE, WCHAR_TYPE_SIZE);
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}
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Pos
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get_target_short_size (void)
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{
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return SHORT_TYPE_SIZE;
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}
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Pos
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get_target_int_size (void)
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{
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return INT_TYPE_SIZE;
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}
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Pos
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get_target_long_size (void)
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{
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return ADA_LONG_TYPE_SIZE;
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}
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Pos
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get_target_long_long_size (void)
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{
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return LONG_LONG_TYPE_SIZE;
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}
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Pos
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get_target_float_size (void)
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{
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return fp_prec_to_size (FLOAT_TYPE_SIZE);
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}
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Pos
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get_target_double_size (void)
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{
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return fp_prec_to_size (DOUBLE_TYPE_SIZE);
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}
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Pos
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get_target_long_double_size (void)
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{
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return fp_prec_to_size (WIDEST_HARDWARE_FP_SIZE);
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}
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Pos
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get_target_pointer_size (void)
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{
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return POINTER_SIZE;
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}
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Pos
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get_target_maximum_alignment (void)
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{
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return BIGGEST_ALIGNMENT / BITS_PER_UNIT;
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}
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#ifndef FLOAT_WORDS_BIG_ENDIAN
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#define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
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#endif
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Nat
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get_float_words_be (void)
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{
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return FLOAT_WORDS_BIG_ENDIAN;
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}
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Nat
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get_words_be (void)
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{
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return WORDS_BIG_ENDIAN;
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}
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Nat
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get_bytes_be (void)
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{
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return BYTES_BIG_ENDIAN;
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}
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Nat
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get_bits_be (void)
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{
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return BITS_BIG_ENDIAN;
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}
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Nat
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get_strict_alignment (void)
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{
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return STRICT_ALIGNMENT;
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}
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