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92b3138b83
Updated dependencies: * GMP 6.2.1 * ISL 0.24 * MPL 1.2.1 * MPFR 4.1.0 The dependencies were pulled in by running the ./contrib/download_prerequisites script and then manually removing the symbolic links and archives, and renaming the directories (i.e mv isl-0.24 to isl)
322 lines
13 KiB
C
322 lines
13 KiB
C
/* Declarations for ISO Fortran binding.
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Copyright (C) 2018-2023 Free Software Foundation, Inc.
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Contributed by Daniel Celis Garza <celisdanieljr@gmail.com>
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This file is part of the GNU Fortran runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef ISO_FORTRAN_BINDING_H
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#define ISO_FORTRAN_BINDING_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h> /* Standard ptrdiff_t tand size_t. */
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#include <stdint.h> /* Integer types. */
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/* Constants, defined as macros. */
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#define CFI_VERSION 1
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#define CFI_MAX_RANK 15
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/* Attributes. */
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#define CFI_attribute_pointer 0
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#define CFI_attribute_allocatable 1
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#define CFI_attribute_other 2
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/* Error codes.
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Note that CFI_FAILURE and CFI_INVALID_STRIDE are specific to GCC
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and not part of the Fortran standard */
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#define CFI_SUCCESS 0
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#define CFI_FAILURE 1
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#define CFI_ERROR_BASE_ADDR_NULL 2
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#define CFI_ERROR_BASE_ADDR_NOT_NULL 3
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#define CFI_INVALID_ELEM_LEN 4
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#define CFI_INVALID_RANK 5
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#define CFI_INVALID_TYPE 6
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#define CFI_INVALID_ATTRIBUTE 7
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#define CFI_INVALID_EXTENT 8
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#define CFI_INVALID_STRIDE 9
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#define CFI_INVALID_DESCRIPTOR 10
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#define CFI_ERROR_MEM_ALLOCATION 11
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#define CFI_ERROR_OUT_OF_BOUNDS 12
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/* CFI type definitions. */
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typedef ptrdiff_t CFI_index_t;
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typedef int8_t CFI_rank_t;
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typedef int8_t CFI_attribute_t;
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typedef int16_t CFI_type_t;
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/* CFI_dim_t. */
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typedef struct CFI_dim_t
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{
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CFI_index_t lower_bound;
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CFI_index_t extent;
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CFI_index_t sm;
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}
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CFI_dim_t;
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/* CFI_cdesc_t, C descriptors are cast to this structure as follows:
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CFI_CDESC_T(CFI_MAX_RANK) foo;
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CFI_cdesc_t * bar = (CFI_cdesc_t *) &foo;
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*/
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typedef struct CFI_cdesc_t
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{
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void *base_addr;
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size_t elem_len;
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int version;
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CFI_rank_t rank;
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CFI_attribute_t attribute;
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CFI_type_t type;
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CFI_dim_t dim[];
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}
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CFI_cdesc_t;
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/* CFI_CDESC_T with an explicit type. */
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#define CFI_CDESC_TYPE_T(r, base_type) \
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struct { \
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base_type *base_addr; \
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size_t elem_len; \
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int version; \
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CFI_rank_t rank; \
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CFI_attribute_t attribute; \
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CFI_type_t type; \
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CFI_dim_t dim[r]; \
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}
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#define CFI_CDESC_T(r) CFI_CDESC_TYPE_T (r, void)
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/* CFI function declarations. */
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extern void *CFI_address (const CFI_cdesc_t *, const CFI_index_t []);
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extern int CFI_allocate (CFI_cdesc_t *, const CFI_index_t [], const CFI_index_t [],
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size_t);
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extern int CFI_deallocate (CFI_cdesc_t *);
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extern int CFI_establish (CFI_cdesc_t *, void *, CFI_attribute_t, CFI_type_t, size_t,
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CFI_rank_t, const CFI_index_t []);
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extern int CFI_is_contiguous (const CFI_cdesc_t *);
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extern int CFI_section (CFI_cdesc_t *, const CFI_cdesc_t *, const CFI_index_t [],
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const CFI_index_t [], const CFI_index_t []);
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extern int CFI_select_part (CFI_cdesc_t *, const CFI_cdesc_t *, size_t, size_t);
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extern int CFI_setpointer (CFI_cdesc_t *, CFI_cdesc_t *, const CFI_index_t []);
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/* Types and kind numbers. Allows bitwise and to reveal the intrinsic type of a kind type. It also allows us to find the kind parameter by inverting the bit-shift equation.
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CFI_type_kind_shift = 8
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CFI_intrinsic_type = 0 0 0 0 0 0 0 0 0 0 1 0
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CFI_type_kind = 0 0 0 0 0 0 0 0 1 0 0 0
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CFI_type_example = CFI_intrinsic_type + (CFI_type_kind << CFI_type_kind_shift)
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Defining the CFI_type_example.
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CFI_type_kind = 0 0 0 0 0 0 0 0 1 0 0 0 << CFI_type_kind_shift
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-------------------------
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1 0 0 0 0 0 0 0 0 0 0 0 +
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CFI_intrinsic_type = 0 0 0 0 0 0 0 0 0 0 1 0
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-------------------------
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CFI_type_example = 1 0 0 0 0 0 0 0 0 0 1 0
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Finding the intrinsic type with the logical mask.
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CFI_type_example = 1 0 0 0 0 0 0 0 0 0 1 0 &
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CFI_type_mask = 0 0 0 0 1 1 1 1 1 1 1 1
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-------------------------
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CFI_intrinsic_type = 0 0 0 0 0 0 0 0 0 0 1 0
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Using the intrinsic type and kind shift to find the kind value of the type.
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CFI_type_kind = (CFI_type_example - CFI_intrinsic_type) >> CFI_type_kind_shift
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CFI_type_example = 1 0 0 0 0 0 0 0 0 0 1 0 -
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CFI_intrinsic_type = 0 0 0 0 0 0 0 0 0 0 1 0
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-------------------------
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1 0 0 0 0 0 0 0 0 0 0 0 >> CFI_type_kind_shift
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-------------------------
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CFI_type_kind = 0 0 0 0 0 0 0 0 1 0 0 0
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*/
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#define CFI_type_mask 0xFF
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#define CFI_type_kind_shift 8
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/* Intrinsic types. Their kind number defines their storage size. */
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#define CFI_type_Integer 1
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#define CFI_type_Logical 2
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#define CFI_type_Real 3
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#define CFI_type_Complex 4
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#define CFI_type_Character 5
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/* Types with no kind. */
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#define CFI_type_struct 6
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#define CFI_type_cptr 7
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#define CFI_type_cfunptr 8
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#define CFI_type_other -1
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/* Types with kind parameter.
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The kind parameter represents the type's byte size. The exception is
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real kind = 10, which has byte size of 128 bits but 80 bit precision.
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Complex variables are double the byte size of their real counterparts.
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The ucs4_char matches wchar_t if sizeof (wchar_t) == 4.
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*/
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#define CFI_type_char (CFI_type_Character + (1 << CFI_type_kind_shift))
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#define CFI_type_ucs4_char (CFI_type_Character + (4 << CFI_type_kind_shift))
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/* C-Fortran Interoperability types. */
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#define CFI_type_signed_char (CFI_type_Integer + (sizeof (char) << CFI_type_kind_shift))
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#define CFI_type_short (CFI_type_Integer + (sizeof (short) << CFI_type_kind_shift))
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#define CFI_type_int (CFI_type_Integer + (sizeof (int) << CFI_type_kind_shift))
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#define CFI_type_long (CFI_type_Integer + (sizeof (long) << CFI_type_kind_shift))
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#define CFI_type_long_long (CFI_type_Integer + (sizeof (long long) << CFI_type_kind_shift))
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#define CFI_type_size_t (CFI_type_Integer + (sizeof (size_t) << CFI_type_kind_shift))
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#define CFI_type_int8_t (CFI_type_Integer + (sizeof (int8_t) << CFI_type_kind_shift))
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#define CFI_type_int16_t (CFI_type_Integer + (sizeof (int16_t) << CFI_type_kind_shift))
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#define CFI_type_int32_t (CFI_type_Integer + (sizeof (int32_t) << CFI_type_kind_shift))
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#define CFI_type_int64_t (CFI_type_Integer + (sizeof (int64_t) << CFI_type_kind_shift))
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#define CFI_type_int_least8_t (CFI_type_Integer + (sizeof (int_least8_t) << CFI_type_kind_shift))
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#define CFI_type_int_least16_t (CFI_type_Integer + (sizeof (int_least16_t) << CFI_type_kind_shift))
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#define CFI_type_int_least32_t (CFI_type_Integer + (sizeof (int_least32_t) << CFI_type_kind_shift))
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#define CFI_type_int_least64_t (CFI_type_Integer + (sizeof (int_least64_t) << CFI_type_kind_shift))
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#define CFI_type_int_fast8_t (CFI_type_Integer + (sizeof (int_fast8_t) << CFI_type_kind_shift))
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#define CFI_type_int_fast16_t (CFI_type_Integer + (sizeof (int_fast16_t) << CFI_type_kind_shift))
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#define CFI_type_int_fast32_t (CFI_type_Integer + (sizeof (int_fast32_t) << CFI_type_kind_shift))
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#define CFI_type_int_fast64_t (CFI_type_Integer + (sizeof (int_fast64_t) << CFI_type_kind_shift))
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#define CFI_type_intmax_t (CFI_type_Integer + (sizeof (intmax_t) << CFI_type_kind_shift))
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#define CFI_type_intptr_t (CFI_type_Integer + (sizeof (intptr_t) << CFI_type_kind_shift))
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#define CFI_type_ptrdiff_t (CFI_type_Integer + (sizeof (ptrdiff_t) << CFI_type_kind_shift))
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#define CFI_type_Bool (CFI_type_Logical + (sizeof (_Bool) << CFI_type_kind_shift))
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#define CFI_type_float (CFI_type_Real + (sizeof (float) << CFI_type_kind_shift))
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#define CFI_type_double (CFI_type_Real + (sizeof (double) << CFI_type_kind_shift))
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#define CFI_type_float_Complex (CFI_type_Complex + (sizeof (float) << CFI_type_kind_shift))
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#define CFI_type_double_Complex (CFI_type_Complex + (sizeof (double) << CFI_type_kind_shift))
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/* If GCC supports int128_t on this target, it predefines
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__SIZEOF_INT128__ to 16. */
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#if defined(__SIZEOF_INT128__)
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#if (__SIZEOF_INT128__ == 16)
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#define CFI_type_int128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
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#define CFI_type_int_least128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
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#define CFI_type_int_fast128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
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#else
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#error "Can't determine kind of int128_t"
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#endif
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#else
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#define CFI_type_int128_t -2
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#define CFI_type_int_least128_t -2
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#define CFI_type_int_fast128_t -2
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#endif
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/* The situation with long double support is more complicated; we need to
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examine the type in more detail to figure out its kind.
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GCC and some other compilers predefine the __LDBL* macros; otherwise
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get the parameters we need from float.h. */
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#if (defined (__LDBL_MANT_DIG__) \
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&& defined (__LDBL_MIN_EXP__) \
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&& defined (__LDBL_MAX_EXP__) \
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&& defined (__DBL_MANT_DIG__) \
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&& defined (__DBL_MIN_EXP__) \
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&& defined (__DBL_MAX_EXP__))
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#define __CFI_LDBL_MANT_DIG__ __LDBL_MANT_DIG__
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#define __CFI_LDBL_MIN_EXP__ __LDBL_MIN_EXP__
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#define __CFI_LDBL_MAX_EXP__ __LDBL_MAX_EXP__
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#define __CFI_DBL_MANT_DIG__ __DBL_MANT_DIG__
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#define __CFI_DBL_MIN_EXP__ __DBL_MIN_EXP__
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#define __CFI_DBL_MAX_EXP__ __DBL_MAX_EXP__
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#else
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#include <float.h>
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#if (defined (LDBL_MANT_DIG) \
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&& defined (LDBL_MIN_EXP) \
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&& defined (LDBL_MAX_EXP) \
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&& defined (DBL_MANT_DIG) \
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&& defined (DBL_MIN_EXP) \
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&& defined (DBL_MAX_EXP))
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#define __CFI_LDBL_MANT_DIG__ LDBL_MANT_DIG
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#define __CFI_LDBL_MIN_EXP__ LDBL_MIN_EXP
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#define __CFI_LDBL_MAX_EXP__ LDBL_MAX_EXP
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#define __CFI_DBL_MANT_DIG__ DBL_MANT_DIG
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#define __CFI_DBL_MIN_EXP__ DBL_MIN_EXP
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#define __CFI_DBL_MAX_EXP__ DBL_MAX_EXP
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#else
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#define CFI_no_long_double 1
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#endif /* Definitions from float.h. */
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#endif /* Definitions from compiler builtins. */
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/* Can't determine anything about long double support? */
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#if (defined (CFI_no_long_double))
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#define CFI_type_long_double -2
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#define CFI_type_long_double_Complex -2
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/* Long double is the same kind as double. */
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#elif (__CFI_LDBL_MANT_DIG__ == __CFI_DBL_MANT_DIG__ \
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&& __CFI_LDBL_MIN_EXP__ == __CFI_DBL_MIN_EXP__ \
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&& __CFI_LDBL_MAX_EXP__ == __CFI_DBL_MAX_EXP__)
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#define CFI_type_long_double CFI_type_double
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#define CFI_type_long_double_Complex CFI_type_double_Complex
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/* This is the 80-bit encoding on x86; Fortran assigns it kind 10. */
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#elif ((__CFI_LDBL_MANT_DIG__ == 64 || __CFI_LDBL_MANT_DIG__ == 53) \
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&& __CFI_LDBL_MIN_EXP__ == -16381 \
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&& __CFI_LDBL_MAX_EXP__ == 16384)
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#define CFI_type_long_double (CFI_type_Real + (10 << CFI_type_kind_shift))
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#define CFI_type_long_double_Complex (CFI_type_Complex + (10 << CFI_type_kind_shift))
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/* This is the 96-bit encoding on m68k; Fortran assigns it kind 10. */
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#elif (__CFI_LDBL_MANT_DIG__ == 64 \
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&& __CFI_LDBL_MIN_EXP__ == -16382 \
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&& __CFI_LDBL_MAX_EXP__ == 16384)
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#define CFI_type_long_double (CFI_type_Real + (10 << CFI_type_kind_shift))
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#define CFI_type_long_double_Complex (CFI_type_Complex + (10 << CFI_type_kind_shift))
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/* This is the IEEE 128-bit encoding, same as _Float128. */
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#elif (__CFI_LDBL_MANT_DIG__ == 113 \
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&& __CFI_LDBL_MIN_EXP__ == -16381 \
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&& __CFI_LDBL_MAX_EXP__ == 16384)
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#define CFI_type_long_double (CFI_type_Real + (16 << CFI_type_kind_shift))
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#define CFI_type_long_double_Complex (CFI_type_Complex + (16 << CFI_type_kind_shift))
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/* This is the IBM128 encoding used on PowerPC; also assigned kind 16. */
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#elif (__CFI_LDBL_MANT_DIG__ == 106 \
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&& __CFI_LDBL_MIN_EXP__ == -968 \
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&& __CFI_LDBL_MAX_EXP__ == 1024)
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#define CFI_type_long_double (CFI_type_Real + (16 << CFI_type_kind_shift))
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#define CFI_type_long_double_Complex (CFI_type_Complex + (16 << CFI_type_kind_shift))
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#define CFI_no_float128 1
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/* It's a bug if we get here. If you've got a target that has some other
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long double encoding, you need add something here for Fortran to
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recognize it. */
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#else
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#error "Can't determine kind of long double"
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#endif
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/* Similarly for _Float128. This always refers to the IEEE encoding
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and not some other 128-bit representation, so if we already used
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kind 16 for a non-IEEE representation, this one must be unsupported
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in Fortran even if it's available in C. */
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#if (!defined (CFI_no_float128) \
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&& defined(__FLT128_MANT_DIG__) && __FLT128_MANT_DIG__ == 113 \
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&& defined(__FLT128_MIN_EXP__) && __FLT128_MIN_EXP__ == -16381 \
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&& defined(__FLT128_MAX_EXP__) && __FLT128_MAX_EXP__ == 16384)
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#define CFI_type_float128 (CFI_type_Real + (16 << CFI_type_kind_shift))
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#define CFI_type_float128_Complex (CFI_type_Complex + (16 << CFI_type_kind_shift))
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#else
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#define CFI_type_float128 -2
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#define CFI_type_float128_Complex -2
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* ISO_FORTRAN_BINDING_H */
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