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c906108c 1/* Fortran language support definitions for GDB, the GNU debugger.
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3 Copyright (C) 1992, 1993, 1994, 1995, 1998, 2000, 2005, 2007
4 Free Software Foundation, Inc.
a2bd3dcd 5
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6 Contributed by Motorola. Adapted from the C definitions by Farooq Butt
7 (fmbutt@engage.sps.mot.com).
8
c5aa993b 9 This file is part of GDB.
c906108c 10
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11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
c906108c 15
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16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
c906108c 20
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21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
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23 Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 Boston, MA 02110-1301, USA. */
c906108c 25
a14ed312 26extern int f_parse (void);
c906108c 27
a14ed312 28extern void f_error (char *); /* Defined in f-exp.y */
c906108c 29
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30extern void f_print_type (struct type *, char *, struct ui_file *, int,
31 int);
c906108c 32
fc1a4b47 33extern int f_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
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34 struct ui_file *, int, int, int,
35 enum val_prettyprint);
c906108c 36
c5aa993b 37/* Language-specific data structures */
c906108c 38
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39/* In F90 subrange expression, either bound could be empty, indicating that
40 its value is by default that of the corresponding bound of the array or
41 string. So we have four sorts of subrange in F90. This enumeration type
42 is to identify this. */
43
44enum f90_range_type
45 {
46 BOTH_BOUND_DEFAULT, /* "(:)" */
47 LOW_BOUND_DEFAULT, /* "(:high)" */
48 HIGH_BOUND_DEFAULT, /* "(low:)" */
49 NONE_BOUND_DEFAULT /* "(low:high)" */
50 };
51
c906108c 52struct common_entry
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53 {
54 struct symbol *symbol; /* The symbol node corresponding
55 to this component */
56 struct common_entry *next; /* The next component */
57 };
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58
59struct saved_f77_common
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60 {
61 char *name; /* Name of COMMON */
62 char *owning_function; /* Name of parent function */
63 int secnum; /* Section # of .bss */
64 CORE_ADDR offset; /* Offset from .bss for
65 this block */
66 struct common_entry *entries; /* List of block's components */
67 struct common_entry *end_of_entries; /* ptr. to end of components */
68 struct saved_f77_common *next; /* Next saved COMMON block */
69 };
c906108c 70
c5aa993b 71typedef struct saved_f77_common SAVED_F77_COMMON, *SAVED_F77_COMMON_PTR;
c906108c 72
c5aa993b 73typedef struct common_entry COMMON_ENTRY, *COMMON_ENTRY_PTR;
c906108c 74
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75extern SAVED_F77_COMMON_PTR head_common_list; /* Ptr to 1st saved COMMON */
76extern SAVED_F77_COMMON_PTR tail_common_list; /* Ptr to last saved COMMON */
77extern SAVED_F77_COMMON_PTR current_common; /* Ptr to current COMMON */
c906108c 78
a14ed312 79extern SAVED_F77_COMMON_PTR find_common_for_function (char *, char *);
c906108c 80
c5aa993b 81#define UNINITIALIZED_SECNUM -1
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82#define COMMON_NEEDS_PATCHING(blk) ((blk)->secnum == UNINITIALIZED_SECNUM)
83
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84#define BLANK_COMMON_NAME_ORIGINAL "#BLNK_COM" /* XLF assigned */
85#define BLANK_COMMON_NAME_MF77 "__BLNK__" /* MF77 assigned */
86#define BLANK_COMMON_NAME_LOCAL "__BLANK" /* Local GDB */
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87
88#define BOUND_FETCH_OK 1
89#define BOUND_FETCH_ERROR -999
90
91/* When reasonable array bounds cannot be fetched, such as when
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92 you ask to 'mt print symbols' and there is no stack frame and
93 therefore no way of knowing the bounds of stack-based arrays,
94 we have to assign default bounds, these are as good as any... */
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95
96#define DEFAULT_UPPER_BOUND 999999
97#define DEFAULT_LOWER_BOUND -999999
98
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99extern char *real_main_name; /* Name of main function */
100extern int real_main_c_value; /* C_value field of main function */
c906108c 101
a14ed312 102extern int f77_get_dynamic_upperbound (struct type *, int *);
c906108c 103
a14ed312 104extern int f77_get_dynamic_lowerbound (struct type *, int *);
c906108c 105
a14ed312 106extern void f77_get_dynamic_array_length (struct type *);
c906108c 107
a14ed312 108extern int calc_f77_array_dims (struct type *);
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109
110#define DEFAULT_DOTMAIN_NAME_IN_MF77 ".MAIN_"
111#define DEFAULT_MAIN_NAME_IN_MF77 "MAIN_"
112#define DEFAULT_DOTMAIN_NAME_IN_XLF_BUGGY ".main "
113#define DEFAULT_DOTMAIN_NAME_IN_XLF ".main"