1 /* Fortran language support definitions for GDB, the GNU debugger.
3 Copyright (C) 1992-2019 Free Software Foundation, Inc.
5 Contributed by Motorola. Adapted from the C definitions by Farooq Butt
6 (fmbutt@engage.sps.mot.com).
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 struct type_print_options
;
29 extern int f_parse (struct parser_state
*);
31 extern void f_print_type (struct type
*, const char *, struct ui_file
*, int,
32 int, const struct type_print_options
*);
34 extern void f_val_print (struct type
*, int, CORE_ADDR
,
35 struct ui_file
*, int,
37 const struct value_print_options
*);
39 /* Language-specific data structures */
45 /* The number of entries in the block. */
48 /* The contents of the block, allocated using the struct hack. All
49 pointers in the array are non-NULL. */
50 struct symbol
*contents
[1];
53 extern LONGEST
f77_get_upperbound (struct type
*);
55 extern LONGEST
f77_get_lowerbound (struct type
*);
57 extern void f77_get_dynamic_array_length (struct type
*);
59 extern int calc_f77_array_dims (struct type
*);
62 /* Fortran (F77) types */
66 struct type
*builtin_character
;
67 struct type
*builtin_integer
;
68 struct type
*builtin_integer_s2
;
69 struct type
*builtin_integer_s8
;
70 struct type
*builtin_logical
;
71 struct type
*builtin_logical_s1
;
72 struct type
*builtin_logical_s2
;
73 struct type
*builtin_logical_s8
;
74 struct type
*builtin_real
;
75 struct type
*builtin_real_s8
;
76 struct type
*builtin_real_s16
;
77 struct type
*builtin_complex_s8
;
78 struct type
*builtin_complex_s16
;
79 struct type
*builtin_complex_s32
;
80 struct type
*builtin_void
;
83 /* Return the Fortran type table for the specified architecture. */
84 extern const struct builtin_f_type
*builtin_f_type (struct gdbarch
*gdbarch
);
86 /* Ensures that function argument VALUE is in the appropriate form to
87 pass to a Fortran function. Returns a possibly new value that should
88 be used instead of VALUE.
90 When IS_ARTIFICIAL is true this indicates an artificial argument,
91 e.g. hidden string lengths which the GNU Fortran argument passing
92 convention specifies as being passed by value.
94 When IS_ARTIFICIAL is false, the argument is passed by pointer. If the
95 value is already in target memory then return a value that is a pointer
96 to VALUE. If VALUE is not in memory (e.g. an integer literal), allocate
97 space in the target, copy VALUE in, and return a pointer to the in
100 extern struct value
*fortran_argument_convert (struct value
*value
,
103 /* Ensures that function argument TYPE is appropriate to inform the debugger
104 that ARG should be passed as a pointer. Returns the potentially updated
107 If ARG is of type pointer then the type of ARG is returned, otherwise
108 TYPE is returned untouched.
110 This function exists to augment the types of Fortran function call
111 parameters to be pointers to the reported value, when the corresponding ARG
112 has also been wrapped in a pointer (by fortran_argument_convert). This
113 informs the debugger that these arguments should be passed as a pointer
114 rather than as the pointed to type. */
116 extern struct type
*fortran_preserve_arg_pointer (struct value
*arg
,
119 #endif /* F_LANG_H */