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7adcbafe 1/* Copyright (C) 2006-2022 Free Software Foundation, Inc.
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2
3This file is part of GCC.
4
5GCC is free software; you can redistribute it and/or modify it under
6the terms of the GNU General Public License as published by the Free
d234d788 7Software Foundation; either version 3, or (at your option) any later
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8version.
9
10GCC is distributed in the hope that it will be useful, but WITHOUT ANY
11WARRANTY; without even the implied warranty of MERCHANTABILITY or
12FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13for more details.
14
15You should have received a copy of the GNU General Public License
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16along with GCC; see the file COPYING3. If not see
17<http://www.gnu.org/licenses/>. */
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18
19/* This file contains the definition of the types provided by the
20 Fortran 2003 ISO_C_BINDING intrinsic module. */
21
22#ifndef NAMED_INTCST
eca63c6a 23# define NAMED_INTCST(a,b,c,d)
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24#endif
25
26#ifndef NAMED_REALCST
28d0b595 27# define NAMED_REALCST(a,b,c,d)
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28#endif
29
30#ifndef NAMED_CMPXCST
28d0b595 31# define NAMED_CMPXCST(a,b,c,d)
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32#endif
33
34#ifndef NAMED_LOGCST
35# define NAMED_LOGCST(a,b,c)
36#endif
37
38#ifndef NAMED_CHARKNDCST
39# define NAMED_CHARKNDCST(a,b,c)
40#endif
41
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42#ifndef NAMED_FUNCTION
43# define NAMED_FUNCTION(a,b,c,d)
44#endif
45
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46#ifndef NAMED_SUBROUTINE
47# define NAMED_SUBROUTINE(a,b,c,d)
48#endif
49
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50/* The arguments to NAMED_*CST are:
51 -- an internal name
52 -- the symbol name in the module, as seen by Fortran code
e53b6e56 53 -- the value it has, for use in trans-types.cc
eca63c6a 54 -- the standard that supports this type */
a8b3b0b6 55
eca63c6a 56NAMED_INTCST (ISOCBINDING_INT, "c_int", gfc_c_int_kind, GFC_STD_F2003)
a8b3b0b6 57NAMED_INTCST (ISOCBINDING_SHORT, "c_short", \
eca63c6a 58 get_int_kind_from_node (short_integer_type_node), GFC_STD_F2003)
a8b3b0b6 59NAMED_INTCST (ISOCBINDING_LONG, "c_long", \
eca63c6a 60 get_int_kind_from_node (long_integer_type_node), GFC_STD_F2003)
a8b3b0b6 61NAMED_INTCST (ISOCBINDING_LONG_LONG, "c_long_long", \
eca63c6a 62 get_int_kind_from_node (long_long_integer_type_node), GFC_STD_F2003)
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63
64NAMED_INTCST (ISOCBINDING_INTMAX_T, "c_intmax_t", \
54f806c7 65 get_int_kind_from_name (INTMAX_TYPE), GFC_STD_F2003)
a8b3b0b6 66NAMED_INTCST (ISOCBINDING_INTPTR_T, "c_intptr_t", \
e0a6661b 67 get_int_kind_from_name (INTPTR_TYPE), GFC_STD_F2003)
a8130612 68NAMED_INTCST (ISOCBINDING_PTRDIFF_T, "c_ptrdiff_t", \
286f737c 69 get_int_kind_from_name (PTRDIFF_TYPE), GFC_STD_F2018)
a8b3b0b6 70NAMED_INTCST (ISOCBINDING_SIZE_T, "c_size_t", \
eca63c6a 71 gfc_index_integer_kind, GFC_STD_F2003)
a8b3b0b6 72NAMED_INTCST (ISOCBINDING_SIGNED_CHAR, "c_signed_char", \
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73 get_int_kind_from_node (signed_char_type_node), GFC_STD_F2003)
74
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75NAMED_INTCST (ISOCBINDING_INT8_T, "c_int8_t", \
76 get_int_kind_from_name (INT8_TYPE), GFC_STD_F2003)
77NAMED_INTCST (ISOCBINDING_INT16_T, "c_int16_t", \
78 get_int_kind_from_name (INT16_TYPE), GFC_STD_F2003)
79NAMED_INTCST (ISOCBINDING_INT32_T, "c_int32_t", \
80 get_int_kind_from_name (INT32_TYPE), GFC_STD_F2003)
81NAMED_INTCST (ISOCBINDING_INT64_T, "c_int64_t", \
82 get_int_kind_from_name (INT64_TYPE), GFC_STD_F2003)
eca63c6a 83/* GNU Extension. */
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84NAMED_INTCST (ISOCBINDING_INT128_T, "c_int128_t", \
85 get_int_kind_from_width (128), GFC_STD_GNU)
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86
87NAMED_INTCST (ISOCBINDING_INT_LEAST8_T, "c_int_least8_t", \
e0a6661b 88 get_int_kind_from_name (INT_LEAST8_TYPE), GFC_STD_F2003)
a8b3b0b6 89NAMED_INTCST (ISOCBINDING_INT_LEAST16_T, "c_int_least16_t", \
e0a6661b 90 get_int_kind_from_name (INT_LEAST16_TYPE), GFC_STD_F2003)
a8b3b0b6 91NAMED_INTCST (ISOCBINDING_INT_LEAST32_T, "c_int_least32_t", \
e0a6661b 92 get_int_kind_from_name (INT_LEAST32_TYPE), GFC_STD_F2003)
a8b3b0b6 93NAMED_INTCST (ISOCBINDING_INT_LEAST64_T, "c_int_least64_t", \
e0a6661b 94 get_int_kind_from_name (INT_LEAST64_TYPE), GFC_STD_F2003)
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95/* GNU Extension. */
96NAMED_INTCST (ISOCBINDING_INT_LEAST128_T, "c_int_least128_t", \
97 get_int_kind_from_minimal_width (128), GFC_STD_GNU)
a8b3b0b6 98
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99NAMED_INTCST (ISOCBINDING_INT_FAST8_T, "c_int_fast8_t", \
100 get_int_kind_from_name (INT_FAST8_TYPE), GFC_STD_F2003)
101NAMED_INTCST (ISOCBINDING_INT_FAST16_T, "c_int_fast16_t", \
102 get_int_kind_from_name (INT_FAST16_TYPE), GFC_STD_F2003)
103NAMED_INTCST (ISOCBINDING_INT_FAST32_T, "c_int_fast32_t", \
104 get_int_kind_from_name (INT_FAST32_TYPE), GFC_STD_F2003)
105NAMED_INTCST (ISOCBINDING_INT_FAST64_T, "c_int_fast64_t", \
106 get_int_kind_from_name (INT_FAST64_TYPE), GFC_STD_F2003)
eca63c6a 107/* GNU Extension. */
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108NAMED_INTCST (ISOCBINDING_INT_FAST128_T, "c_int_fast128_t",
109 get_int_kind_from_width (128), GFC_STD_GNU)
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110
111NAMED_REALCST (ISOCBINDING_FLOAT, "c_float", \
28d0b595 112 get_real_kind_from_node (float_type_node), GFC_STD_F2003)
a8b3b0b6 113NAMED_REALCST (ISOCBINDING_DOUBLE, "c_double", \
28d0b595 114 get_real_kind_from_node (double_type_node), GFC_STD_F2003)
a8b3b0b6 115NAMED_REALCST (ISOCBINDING_LONG_DOUBLE, "c_long_double", \
28d0b595 116 get_real_kind_from_node (long_double_type_node), GFC_STD_F2003)
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117
118/* GNU Extension. Note that the equivalence here is specifically to
00b1324f 119 the IEEE 128-bit type _Float128; if that does not map onto a type
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120 otherwise supported by the Fortran front end, get_real_kind_from_node
121 will reject it as unsupported. */
28d0b595 122NAMED_REALCST (ISOCBINDING_FLOAT128, "c_float128", \
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123 (float128_type_node == NULL_TREE \
124 ? -4 : get_real_kind_from_node (float128_type_node)), \
28d0b595 125 GFC_STD_GNU)
a8b3b0b6 126NAMED_CMPXCST (ISOCBINDING_FLOAT_COMPLEX, "c_float_complex", \
28d0b595 127 get_real_kind_from_node (float_type_node), GFC_STD_F2003)
a8b3b0b6 128NAMED_CMPXCST (ISOCBINDING_DOUBLE_COMPLEX, "c_double_complex", \
28d0b595 129 get_real_kind_from_node (double_type_node), GFC_STD_F2003)
a8b3b0b6 130NAMED_CMPXCST (ISOCBINDING_LONG_DOUBLE_COMPLEX, "c_long_double_complex", \
28d0b595 131 get_real_kind_from_node (long_double_type_node), GFC_STD_F2003)
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132
133/* GNU Extension. Similar issues to c_float128 above. */
28d0b595 134NAMED_CMPXCST (ISOCBINDING_FLOAT128_COMPLEX, "c_float128_complex", \
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135 (float128_type_node == NULL_TREE \
136 ? -4 : get_real_kind_from_node (float128_type_node)), \
28d0b595 137 GFC_STD_GNU)
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138
139NAMED_LOGCST (ISOCBINDING_BOOL, "c_bool", \
140 get_int_kind_from_width (BOOL_TYPE_SIZE))
141
142NAMED_CHARKNDCST (ISOCBINDING_CHAR, "c_char", gfc_default_character_kind)
143
144#ifndef NAMED_CHARCST
145# define NAMED_CHARCST(a,b,c)
146#endif
147
148/* Use langhooks to deal with host to target translations. */
149NAMED_CHARCST (ISOCBINDING_NULL_CHAR, "c_null_char", \
150 lang_hooks.to_target_charset ('\0'))
151NAMED_CHARCST (ISOCBINDING_ALERT, "c_alert", \
152 lang_hooks.to_target_charset ('\a'))
153NAMED_CHARCST (ISOCBINDING_BACKSPACE, "c_backspace", \
154 lang_hooks.to_target_charset ('\b'))
155NAMED_CHARCST (ISOCBINDING_FORM_FEED, "c_form_feed", \
156 lang_hooks.to_target_charset ('\f'))
157NAMED_CHARCST (ISOCBINDING_NEW_LINE, "c_new_line", \
158 lang_hooks.to_target_charset ('\n'))
159NAMED_CHARCST (ISOCBINDING_CARRIAGE_RETURN, "c_carriage_return", \
160 lang_hooks.to_target_charset ('\r'))
161NAMED_CHARCST (ISOCBINDING_HORIZONTAL_TAB, "c_horizontal_tab", \
162 lang_hooks.to_target_charset ('\t'))
163NAMED_CHARCST (ISOCBINDING_VERTICAL_TAB, "c_vertical_tab", \
164 lang_hooks.to_target_charset ('\v'))
165
166#ifndef DERIVED_TYPE
167# define DERIVED_TYPE(a,b,c)
168#endif
169
170DERIVED_TYPE (ISOCBINDING_PTR, "c_ptr", \
171 get_int_kind_from_node (ptr_type_node))
172DERIVED_TYPE (ISOCBINDING_NULL_PTR, "c_null_ptr", \
173 get_int_kind_from_node (ptr_type_node))
174DERIVED_TYPE (ISOCBINDING_FUNPTR, "c_funptr", \
175 get_int_kind_from_node (ptr_type_node))
176DERIVED_TYPE (ISOCBINDING_NULL_FUNPTR, "c_null_funptr", \
177 get_int_kind_from_node (ptr_type_node))
178
cadddfdd 179/* The arguments to NAMED_FUNCTIONS and NAMED_SUBROUTINES are:
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180 -- the ISYM
181 -- the symbol name in the module, as seen by Fortran code
182 -- the Fortran standard */
183
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184NAMED_SUBROUTINE (ISOCBINDING_F_POINTER, "c_f_pointer",
185 GFC_ISYM_C_F_POINTER, GFC_STD_F2003)
186NAMED_SUBROUTINE (ISOCBINDING_F_PROCPOINTER, "c_f_procpointer",
187 GFC_ISYM_C_F_PROCPOINTER, GFC_STD_F2003)
188
189NAMED_FUNCTION (ISOCBINDING_ASSOCIATED, "c_associated",
190 GFC_ISYM_C_ASSOCIATED, GFC_STD_F2003)
191NAMED_FUNCTION (ISOCBINDING_FUNLOC, "c_funloc",
192 GFC_ISYM_C_FUNLOC, GFC_STD_F2003)
193NAMED_FUNCTION (ISOCBINDING_LOC, "c_loc",
194 GFC_ISYM_C_LOC, GFC_STD_F2003)
195
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196NAMED_FUNCTION (ISOCBINDING_C_SIZEOF, "c_sizeof", \
197 GFC_ISYM_C_SIZEOF, GFC_STD_F2008)
198
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199#undef NAMED_INTCST
200#undef NAMED_REALCST
201#undef NAMED_CMPXCST
202#undef NAMED_LOGCST
203#undef NAMED_CHARCST
204#undef NAMED_CHARKNDCST
205#undef DERIVED_TYPE
d000aa67 206#undef NAMED_FUNCTION
cadddfdd 207#undef NAMED_SUBROUTINE