| /**************************************************************************** |
| * * |
| * GNAT COMPILER COMPONENTS * |
| * * |
| * T A R G T Y P S * |
| * * |
| * Body * |
| * * |
| * $Revision: 1.1 $ |
| * * |
| * Copyright (C) 1992-2001 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, 59 Temple Place - Suite 330, Boston, * |
| * MA 02111-1307, 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. * |
| * It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). * |
| * * |
| ****************************************************************************/ |
| |
| /* Functions for retrieving target types. See Ada package Get_Targ */ |
| |
| #include "config.h" |
| #include "system.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" |
| |
| #define MIN(X,Y) ((X) < (Y) ? (X) : (Y)) |
| |
| /* Standard data type sizes. Most of these are not used. */ |
| |
| #ifndef CHAR_TYPE_SIZE |
| #define CHAR_TYPE_SIZE BITS_PER_UNIT |
| #endif |
| |
| #ifndef SHORT_TYPE_SIZE |
| #define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2)) |
| #endif |
| |
| #ifndef INT_TYPE_SIZE |
| #define INT_TYPE_SIZE BITS_PER_WORD |
| #endif |
| |
| #ifdef OPEN_VMS /* A target macro defined in vms.h */ |
| #define LONG_TYPE_SIZE 64 |
| #else |
| #ifndef LONG_TYPE_SIZE |
| #define LONG_TYPE_SIZE BITS_PER_WORD |
| #endif |
| #endif |
| |
| #ifndef LONG_LONG_TYPE_SIZE |
| #define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2) |
| #endif |
| |
| #ifndef FLOAT_TYPE_SIZE |
| #define FLOAT_TYPE_SIZE BITS_PER_WORD |
| #endif |
| |
| #ifndef DOUBLE_TYPE_SIZE |
| #define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2) |
| #endif |
| |
| #ifndef LONG_DOUBLE_TYPE_SIZE |
| #define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2) |
| #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 () |
| { |
| return BITS_PER_UNIT; |
| } |
| |
| Pos |
| get_target_bits_per_word () |
| { |
| return BITS_PER_WORD; |
| } |
| |
| Pos |
| get_target_char_size () |
| { |
| return CHAR_TYPE_SIZE; |
| } |
| |
| Pos |
| get_target_wchar_t_size () |
| { |
| /* We never want wide chacters less than "short" in Ada. */ |
| return MAX (SHORT_TYPE_SIZE, WCHAR_TYPE_SIZE); |
| } |
| |
| Pos |
| get_target_short_size () |
| { |
| return SHORT_TYPE_SIZE; |
| } |
| |
| Pos |
| get_target_int_size () |
| { |
| return INT_TYPE_SIZE; |
| } |
| |
| Pos |
| get_target_long_size () |
| { |
| return LONG_TYPE_SIZE; |
| } |
| |
| Pos |
| get_target_long_long_size () |
| { |
| return LONG_LONG_TYPE_SIZE; |
| } |
| |
| Pos |
| get_target_float_size () |
| { |
| return FLOAT_TYPE_SIZE; |
| } |
| |
| Pos |
| get_target_double_size () |
| { |
| return DOUBLE_TYPE_SIZE; |
| } |
| |
| Pos |
| get_target_long_double_size () |
| { |
| return WIDEST_HARDWARE_FP_SIZE; |
| } |
| |
| Pos |
| get_target_pointer_size () |
| { |
| return POINTER_SIZE; |
| } |
| |
| Pos |
| get_target_maximum_alignment () |
| { |
| return BIGGEST_ALIGNMENT / BITS_PER_UNIT; |
| } |
| |
| Boolean |
| get_target_no_dollar_in_label () |
| { |
| #ifdef NO_DOLLAR_IN_LABEL |
| return 1; |
| #else |
| return 0; |
| #endif |
| } |
| |
| #ifndef FLOAT_WORDS_BIG_ENDIAN |
| #define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN |
| #endif |
| |
| Nat |
| get_float_words_be () |
| { |
| return FLOAT_WORDS_BIG_ENDIAN; |
| } |
| |
| Nat |
| get_words_be () |
| { |
| return WORDS_BIG_ENDIAN; |
| } |
| |
| Nat |
| get_bytes_be () |
| { |
| return BYTES_BIG_ENDIAN; |
| } |
| |
| Nat |
| get_bits_be () |
| { |
| return BITS_BIG_ENDIAN; |
| } |
| |
| Nat |
| get_strict_alignment () |
| { |
| return STRICT_ALIGNMENT; |
| } |