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Diffstat (limited to 'gcc-4.2.1/gcc/ada/targtyps.c')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/targtyps.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/targtyps.c b/gcc-4.2.1/gcc/ada/targtyps.c new file mode 100644 index 000000000..08bca930f --- /dev/null +++ b/gcc-4.2.1/gcc/ada/targtyps.c @@ -0,0 +1,183 @@ +/**************************************************************************** + * * + * GNAT COMPILER COMPONENTS * + * * + * T A R G T Y P S * + * * + * Body * + * * + * Copyright (C) 1992-2004 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 2, 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 distributed with GNAT; see file COPYING. If not, write * + * to the Free Software Foundation, 51 Franklin Street, Fifth Floor, * + * Boston, MA 02110-1301, USA. * + * * + * As a special exception, if you link this file with other files to * + * produce an executable, this file does not by itself cause the resulting * + * executable to be covered by the GNU General Public License. This except- * + * ion does not however invalidate any other reasons why the executable * + * file might be covered by the GNU Public License. * + * * + * GNAT was originally developed by the GNAT team at New York University. * + * Extensive contributions were provided by Ada Core Technologies Inc. * + * * + ****************************************************************************/ + +/* Functions for retrieving target types. See Ada package Get_Targ */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" +#include "tree.h" +#include "real.h" +#include "rtl.h" +#include "ada.h" +#include "types.h" +#include "atree.h" +#include "elists.h" +#include "namet.h" +#include "nlists.h" +#include "snames.h" +#include "stringt.h" +#include "uintp.h" +#include "urealp.h" +#include "fe.h" +#include "sinfo.h" +#include "einfo.h" +#include "ada-tree.h" +#include "gigi.h" + +/* If we don't have a specific size for Ada's equivalent of `long', use that + of C. */ +#ifndef ADA_LONG_TYPE_SIZE +#define ADA_LONG_TYPE_SIZE LONG_TYPE_SIZE +#endif + +#ifndef WIDEST_HARDWARE_FP_SIZE +#define WIDEST_HARDWARE_FP_SIZE LONG_DOUBLE_TYPE_SIZE +#endif + +/* The following provide a functional interface for the front end Ada code + to determine the sizes that are used for various C types. */ + +Pos +get_target_bits_per_unit (void) +{ + return BITS_PER_UNIT; +} + +Pos +get_target_bits_per_word (void) +{ + return BITS_PER_WORD; +} + +Pos +get_target_char_size (void) +{ + return CHAR_TYPE_SIZE; +} + +Pos +get_target_wchar_t_size (void) +{ + /* We never want wide characters less than "short" in Ada. */ + return MAX (SHORT_TYPE_SIZE, WCHAR_TYPE_SIZE); +} + +Pos +get_target_short_size (void) +{ + return SHORT_TYPE_SIZE; +} + +Pos +get_target_int_size (void) +{ + return INT_TYPE_SIZE; +} + +Pos +get_target_long_size (void) +{ + return ADA_LONG_TYPE_SIZE; +} + +Pos +get_target_long_long_size (void) +{ + return LONG_LONG_TYPE_SIZE; +} + +Pos +get_target_float_size (void) +{ + return fp_prec_to_size (FLOAT_TYPE_SIZE); +} + +Pos +get_target_double_size (void) +{ + return fp_prec_to_size (DOUBLE_TYPE_SIZE); +} + +Pos +get_target_long_double_size (void) +{ + return fp_prec_to_size (WIDEST_HARDWARE_FP_SIZE); +} + + +Pos +get_target_pointer_size (void) +{ + return POINTER_SIZE; +} + +Pos +get_target_maximum_alignment (void) +{ + return BIGGEST_ALIGNMENT / BITS_PER_UNIT; +} + +#ifndef FLOAT_WORDS_BIG_ENDIAN +#define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN +#endif + +Nat +get_float_words_be (void) +{ + return FLOAT_WORDS_BIG_ENDIAN; +} + +Nat +get_words_be (void) +{ + return WORDS_BIG_ENDIAN; +} + +Nat +get_bytes_be (void) +{ + return BYTES_BIG_ENDIAN; +} + +Nat +get_bits_be (void) +{ + return BITS_BIG_ENDIAN; +} + +Nat +get_strict_alignment (void) +{ + return STRICT_ALIGNMENT; +} |