X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Ff-lang.h;h=cf6024c4454a48bf967545a3035616f36cd1510e;hb=e46d79a76ea748165a3ecd1102dd10498d089a49;hp=249d2df5d577ef943c1591f082fb7da34f414188;hpb=01f0fe5e0450edf168c1f612feb93cf588e4e7ea;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/f-lang.h b/gdb/f-lang.h index 249d2df5d5..cf6024c445 100644 --- a/gdb/f-lang.h +++ b/gdb/f-lang.h @@ -1,7 +1,6 @@ /* Fortran language support definitions for GDB, the GNU debugger. - Copyright (C) 1992, 1993, 1994, 1995, 1998, 2000, 2005 Free Software - Foundation, Inc. + Copyright (C) 1992-2019 Free Software Foundation, Inc. Contributed by Motorola. Adapted from the C definitions by Farooq Butt (fmbutt@engage.sps.mot.com). @@ -10,7 +9,7 @@ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -19,95 +18,107 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ -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 void f_print_type (struct type *, char *, struct ui_file *, int, - int); +extern int f_parse (struct parser_state *); -extern int f_val_print (struct type *, const gdb_byte *, int, CORE_ADDR, - struct ui_file *, int, int, int, - enum val_prettyprint); +/* 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, const struct type_print_options *); + +extern void f_val_print (struct type *, int, CORE_ADDR, + struct ui_file *, int, + struct value *, + const struct value_print_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 */ - -#define BOUND_FETCH_OK 1 -#define BOUND_FETCH_ERROR -999 - -/* 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_dynamic_upperbound (struct type *, int *); - -extern int f77_get_dynamic_lowerbound (struct type *, int *); +/* 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 *); extern int calc_f77_array_dims (struct type *); -#define DEFAULT_DOTMAIN_NAME_IN_MF77 ".MAIN_" -#define DEFAULT_MAIN_NAME_IN_MF77 "MAIN_" -#define DEFAULT_DOTMAIN_NAME_IN_XLF_BUGGY ".main " -#define DEFAULT_DOTMAIN_NAME_IN_XLF ".main" + +/* Fortran (F77) types */ + +struct builtin_f_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; + struct type *builtin_logical_s8; + struct type *builtin_real; + struct type *builtin_real_s8; + struct type *builtin_real_s16; + struct type *builtin_complex_s8; + struct type *builtin_complex_s16; + struct type *builtin_complex_s32; + struct type *builtin_void; +}; + +/* 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 */