gdb/f-lang.h

   1 /* Fortran language support definitions for GDB, the GNU debugger.
   2
   3    Copyright (C) 1992, 1993, 1994, 1995, 1998, 2000, 2005, 2007
   4    Free Software Foundation, Inc.
   5
   6    Contributed by Motorola.  Adapted from the C definitions by Farooq Butt
   7    (fmbutt@engage.sps.mot.com).
   8
   9    This file is part of GDB.
  10
  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.
  15
  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.
  20
  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
  23    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24    Boston, MA 02110-1301, USA.  */
  25
  26 extern int f_parse (void);
  27
  28 extern void f_error (char *);   /* Defined in f-exp.y */
  29
  30 extern void f_print_type (struct type *, char *, struct ui_file *, int,
  31                           int);
  32
  33 extern int f_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
  34                         struct ui_file *, int, int, int,
  35                         enum val_prettyprint);
  36
  37 /* Language-specific data structures */
  38
  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
  44 enum 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
  52 struct common_entry
  53   {
  54     struct symbol *symbol;      /* The symbol node corresponding
  55                                    to this component */
  56     struct common_entry *next;  /* The next component */
  57   };
  58
  59 struct saved_f77_common
  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   };
  70
  71 typedef struct saved_f77_common SAVED_F77_COMMON, *SAVED_F77_COMMON_PTR;
  72
  73 typedef struct common_entry COMMON_ENTRY, *COMMON_ENTRY_PTR;
  74
  75 extern SAVED_F77_COMMON_PTR head_common_list;   /* Ptr to 1st saved COMMON  */
  76 extern SAVED_F77_COMMON_PTR tail_common_list;   /* Ptr to last saved COMMON  */
  77 extern SAVED_F77_COMMON_PTR current_common;     /* Ptr to current COMMON */
  78
  79 extern SAVED_F77_COMMON_PTR find_common_for_function (char *, char *);
  80
  81 #define UNINITIALIZED_SECNUM -1
  82 #define COMMON_NEEDS_PATCHING(blk) ((blk)->secnum == UNINITIALIZED_SECNUM)
  83
  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 */
  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
  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... */
  95
  96 #define DEFAULT_UPPER_BOUND 999999
  97 #define DEFAULT_LOWER_BOUND -999999
  98
  99 extern char *real_main_name;    /* Name of main function */
 100 extern int real_main_c_value;   /* C_value field of main function */
 101
 102 extern int f77_get_dynamic_upperbound (struct type *, int *);
 103
 104 extern int f77_get_dynamic_lowerbound (struct type *, int *);
 105
 106 extern void f77_get_dynamic_array_length (struct type *);
 107
 108 extern int calc_f77_array_dims (struct type *);
 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"