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[thirdparty/gcc.git] / gcc / fortran / target-memory.h

/* Simulate storage of variables into target memory, header.
   Copyright (C) 2007-2020 Free Software Foundation, Inc.
   Contributed by Paul Thomas and Brooks Moses

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT 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
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#ifndef GFC_TARGET_MEMORY_H
#define GFC_TARGET_MEMORY_H

/* Convert a BOZ to REAL or COMPLEX.  */
bool gfc_convert_boz (gfc_expr *, gfc_typespec *);

bool gfc_element_size (gfc_expr *, size_t *);
bool gfc_target_expr_size (gfc_expr *, size_t *);

/* Write a constant expression in binary form to a target buffer.  */
size_t gfc_encode_character (int, size_t, const gfc_char_t *, unsigned char *,
			  size_t);
unsigned HOST_WIDE_INT gfc_target_encode_expr (gfc_expr *, unsigned char *,
					       size_t);

/* Read a target buffer into a constant expression.  */

int gfc_interpret_integer (int, unsigned char *, size_t, mpz_t);
int gfc_interpret_float (int, unsigned char *, size_t, mpfr_t);
int gfc_interpret_complex (int, unsigned char *, size_t, mpc_t);
int gfc_interpret_logical (int, unsigned char *, size_t, int *);
size_t gfc_interpret_character (unsigned char *, size_t, gfc_expr *);
int gfc_interpret_derived (unsigned char *, size_t, gfc_expr *);
size_t gfc_target_interpret_expr (unsigned char *, size_t, gfc_expr *, bool);

/* Merge overlapping equivalence initializers for trans-common.c. */
size_t gfc_merge_initializers (gfc_typespec, gfc_expr *, locus *,
			       unsigned char *, unsigned char *,
			       size_t);

#endif /* GFC_TARGET_MEMORY_H  */