1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/****************************************************************************/
/* */
/* GNAT COMPILER COMPONENTS */
/* */
/* A - G E T T T Y */
/* */
/* Body */
/* */
/* $Revision: 1.8 $ */
/* */
/* Copyright (C) 1992-1996 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 "a-ada.h"
#include "a-types.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
#ifndef LONG_TYPE_SIZE
#define LONG_TYPE_SIZE BITS_PER_WORD
#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
/* The choice of SIZE_TYPE here is very problematic. We need a signed
type whose bit width is Pmode. Assume "long" is such a type here. */
#undef SIZE_TYPE
#define SIZE_TYPE "long int"
/* 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_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 LONG_DOUBLE_TYPE_SIZE;
}
Pos
get_target_pointer_size ()
{
return POINTER_SIZE;
}
Pos
get_target_maximum_alignment ()
{
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 () {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;}
|
