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125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/* Fortran language support definitions for GDB, the GNU debugger.
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Copyright (C) 1992-2020 Free Software Foundation, Inc.
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Contributed by Motorola. Adapted from the C definitions by Farooq Butt
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(fmbutt@engage.sps.mot.com).
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This file is part of GDB.
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This program 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 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef F_LANG_H
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#define F_LANG_H
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struct type_print_options;
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struct parser_state;
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extern int f_parse (struct parser_state *);
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/* Implement the la_print_typedef language method for Fortran. */
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extern void f_print_typedef (struct type *type, struct symbol *new_symbol,
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struct ui_file *stream);
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extern void f_print_type (struct type *, const char *, struct ui_file *, int,
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int, const struct type_print_options *);
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extern void f_val_print (struct type *, int, CORE_ADDR,
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struct ui_file *, int,
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struct value *,
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const struct value_print_options *);
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/* Language-specific data structures */
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/* A common block. */
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struct common_block
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{
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/* The number of entries in the block. */
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size_t n_entries;
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/* The contents of the block, allocated using the struct hack. All
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pointers in the array are non-NULL. */
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struct symbol *contents[1];
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};
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extern LONGEST f77_get_upperbound (struct type *);
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extern LONGEST f77_get_lowerbound (struct type *);
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extern void f77_get_dynamic_array_length (struct type *);
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extern int calc_f77_array_dims (struct type *);
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/* Fortran (F77) types */
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struct builtin_f_type
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{
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struct type *builtin_character;
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struct type *builtin_integer;
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struct type *builtin_integer_s2;
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struct type *builtin_integer_s8;
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struct type *builtin_logical;
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struct type *builtin_logical_s1;
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struct type *builtin_logical_s2;
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struct type *builtin_logical_s8;
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struct type *builtin_real;
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struct type *builtin_real_s8;
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struct type *builtin_real_s16;
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struct type *builtin_complex_s8;
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struct type *builtin_complex_s16;
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struct type *builtin_complex_s32;
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struct type *builtin_void;
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};
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/* Return the Fortran type table for the specified architecture. */
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extern const struct builtin_f_type *builtin_f_type (struct gdbarch *gdbarch);
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/* Ensures that function argument VALUE is in the appropriate form to
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pass to a Fortran function. Returns a possibly new value that should
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be used instead of VALUE.
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When IS_ARTIFICIAL is true this indicates an artificial argument,
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e.g. hidden string lengths which the GNU Fortran argument passing
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convention specifies as being passed by value.
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When IS_ARTIFICIAL is false, the argument is passed by pointer. If the
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value is already in target memory then return a value that is a pointer
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to VALUE. If VALUE is not in memory (e.g. an integer literal), allocate
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space in the target, copy VALUE in, and return a pointer to the in
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memory copy. */
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extern struct value *fortran_argument_convert (struct value *value,
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bool is_artificial);
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/* Ensures that function argument TYPE is appropriate to inform the debugger
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that ARG should be passed as a pointer. Returns the potentially updated
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argument type.
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If ARG is of type pointer then the type of ARG is returned, otherwise
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TYPE is returned untouched.
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This function exists to augment the types of Fortran function call
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parameters to be pointers to the reported value, when the corresponding ARG
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has also been wrapped in a pointer (by fortran_argument_convert). This
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informs the debugger that these arguments should be passed as a pointer
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rather than as the pointed to type. */
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extern struct type *fortran_preserve_arg_pointer (struct value *arg,
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struct type *type);
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#endif /* F_LANG_H */
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