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/****************************************************************************
* *
* 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;
}
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