1 /* Header file to the Fortran front-end and runtime library
2 Copyright (C) 2007-2016 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
21 /* Flags to specify which standard/extension contains a feature.
22 Note that no features were obsoleted nor deleted in F2003.
23 Please remember to keep those definitions in sync with
25 /* For now, use F2015 = GFC_STD_GNU. */
26 #define GFC_STD_F2015 (1<<5) /* PLACEHOLDER for Fortran 2015. */
27 #define GFC_STD_F2008_TS (1<<9) /* POST-F2008 technical reports. */
28 #define GFC_STD_F2008_OBS (1<<8) /* Obsolescent in F2008. */
29 #define GFC_STD_F2008 (1<<7) /* New in F2008. */
30 #define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */
31 #define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
32 #define GFC_STD_F2003 (1<<4) /* New in F2003. */
33 #define GFC_STD_F95 (1<<3) /* New in F95. */
34 #define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
35 #define GFC_STD_F95_OBS (1<<1) /* Obsolescent in F95. */
36 #define GFC_STD_F77 (1<<0) /* Included in F77, but not deleted or
37 obsolescent in later standards. */
40 /* Bitmasks for the various FPE that can be enabled. These need to be straight integers
41 e.g., 8 instead of (1<<3), because they will be included in Fortran source. */
42 #define GFC_FPE_INVALID 1
43 #define GFC_FPE_DENORMAL 2
44 #define GFC_FPE_ZERO 4
45 #define GFC_FPE_OVERFLOW 8
46 #define GFC_FPE_UNDERFLOW 16
47 #define GFC_FPE_INEXACT 32
49 /* Defines for floating-point rounding modes. */
50 #define GFC_FPE_DOWNWARD 1
51 #define GFC_FPE_TONEAREST 2
52 #define GFC_FPE_TOWARDZERO 3
53 #define GFC_FPE_UPWARD 4
55 /* Size of the buffer required to store FPU state for any target.
56 In particular, this has to be larger than fenv_t on all glibc targets.
57 Currently, the winner is x86_64 with 32 bytes. */
58 #define GFC_FPE_STATE_BUFFER_SIZE 32
60 /* Bitmasks for the various runtime checks that can be enabled. */
61 #define GFC_RTCHECK_BOUNDS (1<<0)
62 #define GFC_RTCHECK_ARRAY_TEMPS (1<<1)
63 #define GFC_RTCHECK_RECURSION (1<<2)
64 #define GFC_RTCHECK_DO (1<<3)
65 #define GFC_RTCHECK_POINTER (1<<4)
66 #define GFC_RTCHECK_MEM (1<<5)
67 #define GFC_RTCHECK_ALL (GFC_RTCHECK_BOUNDS | GFC_RTCHECK_ARRAY_TEMPS \
68 | GFC_RTCHECK_RECURSION | GFC_RTCHECK_DO \
69 | GFC_RTCHECK_POINTER | GFC_RTCHECK_MEM)
71 /* Special unit numbers used to convey certain conditions. Numbers -4
72 thru -9 available. NEWUNIT values start at -10. */
73 #define GFC_INTERNAL_UNIT -1 /* KIND=1 Internal Unit. */
74 #define GFC_INTERNAL_UNIT4 -2 /* KIND=4 Internal Unit. */
75 #define GFC_INVALID_UNIT -3
77 /* Possible values for the CONVERT I/O specifier. */
78 /* Keep in sync with GFC_FLAG_CONVERT_* in gcc/flags.h. */
81 GFC_CONVERT_NONE
= -1,
82 GFC_CONVERT_NATIVE
= 0,
93 LIBERROR_FIRST
= -3, /* Marker for the first error. */
94 LIBERROR_EOR
= -2, /* End of record, must be negative. */
95 LIBERROR_END
= -1, /* End of file, must be negative. */
96 LIBERROR_OK
= 0, /* Indicates success, must be zero. */
97 LIBERROR_OS
= 5000, /* OS error, more info in errno. */
98 LIBERROR_OPTION_CONFLICT
,
100 LIBERROR_MISSING_OPTION
,
101 LIBERROR_ALREADY_OPEN
,
108 LIBERROR_READ_OVERFLOW
,
110 LIBERROR_INTERNAL_UNIT
,
113 LIBERROR_SHORT_RECORD
,
114 LIBERROR_CORRUPT_FILE
,
115 LIBERROR_INQUIRE_INTERNAL_UNIT
, /* Must be different from STAT_STOPPED_IMAGE. */
116 LIBERROR_LAST
/* Not a real error, the last error # + 1. */
118 libgfortran_error_codes
;
120 /* Must kept in sync with libgfortrancaf.h. */
123 GFC_STAT_UNLOCKED
= 0,
125 GFC_STAT_LOCKED_OTHER_IMAGE
,
126 GFC_STAT_STOPPED_IMAGE
= 6000, /* See LIBERROR_INQUIRE_INTERNAL_UNIT above. */
127 GFC_STAT_FAILED_IMAGE
129 libgfortran_stat_codes
;
133 GFC_CAF_ATOMIC_ADD
= 1,
137 } libcaf_atomic_codes
;
141 #define GFC_CAF_BYREF (1<<0)
142 #define GFC_CAF_HIDDENLEN (1<<1)
143 #define GFC_CAF_ARG_VALUE (1<<2)
144 #define GFC_CAF_ARG_DESC (1<<3)
147 /* Default unit number for preconnected standard input and output. */
148 #define GFC_STDIN_UNIT_NUMBER 5
149 #define GFC_STDOUT_UNIT_NUMBER 6
150 #define GFC_STDERR_UNIT_NUMBER 0
153 /* FIXME: Increase to 15 for Fortran 2008. Also needs changes to
154 GFC_DTYPE_RANK_MASK. See PR 36825. */
155 #define GFC_MAX_DIMENSIONS 7
157 #define GFC_DTYPE_RANK_MASK 0x07
158 #define GFC_DTYPE_TYPE_SHIFT 3
159 #define GFC_DTYPE_TYPE_MASK 0x38
160 #define GFC_DTYPE_SIZE_SHIFT 6
162 /* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer
163 can take any arg with the pointer attribute as a param. These are also
164 used in the run-time library for IO. */
166 { BT_UNKNOWN
= 0, BT_INTEGER
, BT_LOGICAL
, BT_REAL
, BT_COMPLEX
,
167 BT_DERIVED
, BT_CHARACTER
, BT_CLASS
, BT_PROCEDURE
, BT_HOLLERITH
, BT_VOID
,