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, 2008, 2009,
   4    2010, 2011 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 3 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, see <http://www.gnu.org/licenses/>.  */
  23
  24 extern int f_parse (void);
  25
  26 extern void f_error (char *);   /* Defined in f-exp.y */
  27
  28 extern void f_print_type (struct type *, const char *, struct ui_file *, int,
  29                           int);
  30
  31 extern int f_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
  32                         struct ui_file *, int,
  33                         const struct value *,
  34                         const struct value_print_options *);
  35
  36 /* Language-specific data structures */
  37
  38 /* In F90 subrange expression, either bound could be empty, indicating that
  39    its value is by default that of the corresponding bound of the array or
  40    string.  So we have four sorts of subrange in F90.  This enumeration type
  41    is to identify this.  */
  42
  43 enum f90_range_type
  44   {
  45     BOTH_BOUND_DEFAULT,         /* "(:)"  */
  46     LOW_BOUND_DEFAULT,          /* "(:high)"  */
  47     HIGH_BOUND_DEFAULT,         /* "(low:)"  */
  48     NONE_BOUND_DEFAULT          /* "(low:high)"  */
  49   };
  50
  51 struct common_entry
  52   {
  53     struct symbol *symbol;      /* The symbol node corresponding
  54                                    to this component */
  55     struct common_entry *next;  /* The next component */
  56   };
  57
  58 struct saved_f77_common
  59   {
  60     char *name;                 /* Name of COMMON */
  61     char *owning_function;      /* Name of parent function */
  62     int secnum;                 /* Section # of .bss */
  63     CORE_ADDR offset;           /* Offset from .bss for
  64                                    this block */
  65     struct common_entry *entries;       /* List of block's components */
  66     struct common_entry *end_of_entries;        /* ptr. to end of components */
  67     struct saved_f77_common *next;      /* Next saved COMMON block */
  68   };
  69
  70 typedef struct saved_f77_common SAVED_F77_COMMON, *SAVED_F77_COMMON_PTR;
  71
  72 typedef struct common_entry COMMON_ENTRY, *COMMON_ENTRY_PTR;
  73
  74 extern SAVED_F77_COMMON_PTR head_common_list;   /* Ptr to 1st saved COMMON  */
  75 extern SAVED_F77_COMMON_PTR tail_common_list;   /* Ptr to last saved COMMON  */
  76 extern SAVED_F77_COMMON_PTR current_common;     /* Ptr to current COMMON */
  77
  78 extern SAVED_F77_COMMON_PTR find_common_for_function (char *, char *);
  79
  80 #define UNINITIALIZED_SECNUM -1
  81 #define COMMON_NEEDS_PATCHING(blk) ((blk)->secnum == UNINITIALIZED_SECNUM)
  82
  83 #define BLANK_COMMON_NAME_ORIGINAL "#BLNK_COM"  /* XLF assigned  */
  84 #define BLANK_COMMON_NAME_MF77     "__BLNK__"   /* MF77 assigned  */
  85 #define BLANK_COMMON_NAME_LOCAL    "__BLANK"    /* Local GDB */
  86
  87 /* When reasonable array bounds cannot be fetched, such as when
  88    you ask to 'mt print symbols' and there is no stack frame and
  89    therefore no way of knowing the bounds of stack-based arrays,
  90    we have to assign default bounds, these are as good as any...  */
  91
  92 #define DEFAULT_UPPER_BOUND 999999
  93 #define DEFAULT_LOWER_BOUND -999999
  94
  95 extern char *real_main_name;    /* Name of main function.  */
  96 extern int real_main_c_value;   /* C_value field of main function.  */
  97
  98 extern int f77_get_upperbound (struct type *);
  99
 100 extern int f77_get_lowerbound (struct type *);
 101
 102 extern void f77_get_dynamic_array_length (struct type *);
 103
 104 extern int calc_f77_array_dims (struct type *);
 105
 106
 107 /* Fortran (F77) types */
 108
 109 struct builtin_f_type
 110 {
 111   struct type *builtin_character;
 112   struct type *builtin_integer;
 113   struct type *builtin_integer_s2;
 114   struct type *builtin_logical;
 115   struct type *builtin_logical_s1;
 116   struct type *builtin_logical_s2;
 117   struct type *builtin_logical_s8;
 118   struct type *builtin_real;
 119   struct type *builtin_real_s8;
 120   struct type *builtin_real_s16;
 121   struct type *builtin_complex_s8;
 122   struct type *builtin_complex_s16;
 123   struct type *builtin_complex_s32;
 124   struct type *builtin_void;
 125 };
 126
 127 /* Return the Fortran type table for the specified architecture.  */
 128 extern const struct builtin_f_type *builtin_f_type (struct gdbarch *gdbarch);
 129