/* Fortran language support definitions for GDB, the GNU debugger.
- Copyright (C) 1992, 1993, 1994, 1995, 1998, 2000, 2005, 2007, 2008, 2009,
- 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1992-2020 Free Software Foundation, Inc.
Contributed by Motorola. Adapted from the C definitions by Farooq Butt
(fmbutt@engage.sps.mot.com).
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-extern int f_parse (void);
+#ifndef F_LANG_H
+#define F_LANG_H
-extern void f_error (char *); /* Defined in f-exp.y */
+struct type_print_options;
+struct parser_state;
+
+extern int f_parse (struct parser_state *);
+
+/* Implement the la_print_typedef language method for Fortran. */
+
+extern void f_print_typedef (struct type *type, struct symbol *new_symbol,
+ struct ui_file *stream);
extern void f_print_type (struct type *, const char *, struct ui_file *, int,
- int);
+ int, const struct type_print_options *);
-extern int f_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
- struct ui_file *, int,
- const struct value *,
- const struct value_print_options *);
+/* Implement la_value_print_inner for Fortran. */
+
+extern void f_value_print_innner (struct value *val, struct ui_file *stream,
+ int recurse,
+ const struct value_print_options *options);
/* Language-specific data structures */
-/* In F90 subrange expression, either bound could be empty, indicating that
- its value is by default that of the corresponding bound of the array or
- string. So we have four sorts of subrange in F90. This enumeration type
- is to identify this. */
-
-enum f90_range_type
- {
- BOTH_BOUND_DEFAULT, /* "(:)" */
- LOW_BOUND_DEFAULT, /* "(:high)" */
- HIGH_BOUND_DEFAULT, /* "(low:)" */
- NONE_BOUND_DEFAULT /* "(low:high)" */
- };
-
-struct common_entry
- {
- struct symbol *symbol; /* The symbol node corresponding
- to this component */
- struct common_entry *next; /* The next component */
- };
-
-struct saved_f77_common
- {
- char *name; /* Name of COMMON */
- char *owning_function; /* Name of parent function */
- int secnum; /* Section # of .bss */
- CORE_ADDR offset; /* Offset from .bss for
- this block */
- struct common_entry *entries; /* List of block's components */
- struct common_entry *end_of_entries; /* ptr. to end of components */
- struct saved_f77_common *next; /* Next saved COMMON block */
- };
-
-typedef struct saved_f77_common SAVED_F77_COMMON, *SAVED_F77_COMMON_PTR;
-
-typedef struct common_entry COMMON_ENTRY, *COMMON_ENTRY_PTR;
-
-extern SAVED_F77_COMMON_PTR head_common_list; /* Ptr to 1st saved COMMON */
-extern SAVED_F77_COMMON_PTR tail_common_list; /* Ptr to last saved COMMON */
-extern SAVED_F77_COMMON_PTR current_common; /* Ptr to current COMMON */
-
-extern SAVED_F77_COMMON_PTR find_common_for_function (char *, char *);
-
-#define UNINITIALIZED_SECNUM -1
-#define COMMON_NEEDS_PATCHING(blk) ((blk)->secnum == UNINITIALIZED_SECNUM)
-
-#define BLANK_COMMON_NAME_ORIGINAL "#BLNK_COM" /* XLF assigned */
-#define BLANK_COMMON_NAME_MF77 "__BLNK__" /* MF77 assigned */
-#define BLANK_COMMON_NAME_LOCAL "__BLANK" /* Local GDB */
-
-/* When reasonable array bounds cannot be fetched, such as when
- you ask to 'mt print symbols' and there is no stack frame and
- therefore no way of knowing the bounds of stack-based arrays,
- we have to assign default bounds, these are as good as any... */
-
-#define DEFAULT_UPPER_BOUND 999999
-#define DEFAULT_LOWER_BOUND -999999
-
-extern char *real_main_name; /* Name of main function. */
-extern int real_main_c_value; /* C_value field of main function. */
-
-extern int f77_get_upperbound (struct type *);
-
-extern int f77_get_lowerbound (struct type *);
+/* A common block. */
+
+struct common_block
+{
+ /* The number of entries in the block. */
+ size_t n_entries;
+
+ /* The contents of the block, allocated using the struct hack. All
+ pointers in the array are non-NULL. */
+ struct symbol *contents[1];
+};
+
+extern LONGEST f77_get_upperbound (struct type *);
+
+extern LONGEST f77_get_lowerbound (struct type *);
extern void f77_get_dynamic_array_length (struct type *);
struct type *builtin_character;
struct type *builtin_integer;
struct type *builtin_integer_s2;
+ struct type *builtin_integer_s8;
struct type *builtin_logical;
struct type *builtin_logical_s1;
struct type *builtin_logical_s2;
/* Return the Fortran type table for the specified architecture. */
extern const struct builtin_f_type *builtin_f_type (struct gdbarch *gdbarch);
+/* Ensures that function argument VALUE is in the appropriate form to
+ pass to a Fortran function. Returns a possibly new value that should
+ be used instead of VALUE.
+
+ When IS_ARTIFICIAL is true this indicates an artificial argument,
+ e.g. hidden string lengths which the GNU Fortran argument passing
+ convention specifies as being passed by value.
+
+ When IS_ARTIFICIAL is false, the argument is passed by pointer. If the
+ value is already in target memory then return a value that is a pointer
+ to VALUE. If VALUE is not in memory (e.g. an integer literal), allocate
+ space in the target, copy VALUE in, and return a pointer to the in
+ memory copy. */
+
+extern struct value *fortran_argument_convert (struct value *value,
+ bool is_artificial);
+
+/* Ensures that function argument TYPE is appropriate to inform the debugger
+ that ARG should be passed as a pointer. Returns the potentially updated
+ argument type.
+
+ If ARG is of type pointer then the type of ARG is returned, otherwise
+ TYPE is returned untouched.
+
+ This function exists to augment the types of Fortran function call
+ parameters to be pointers to the reported value, when the corresponding ARG
+ has also been wrapped in a pointer (by fortran_argument_convert). This
+ informs the debugger that these arguments should be passed as a pointer
+ rather than as the pointed to type. */
+
+extern struct type *fortran_preserve_arg_pointer (struct value *arg,
+ struct type *type);
+
+#endif /* F_LANG_H */
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