X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Ff-lang.h;h=9dfbfe5976b7346f3deadd832bb2559cd78591c7;hb=c3b149eb7697b376df1b3a47d0102afda389ee6d;hp=226b3993861b8a3644acf0aa97379cff0262c963;hpb=6c9638b444fd6ebdd189fe05c3e44dfbc95c878c;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/f-lang.h b/gdb/f-lang.h index 226b399386..9dfbfe5976 100644 --- a/gdb/f-lang.h +++ b/gdb/f-lang.h @@ -1,94 +1,124 @@ /* Fortran language support definitions for GDB, the GNU debugger. - Copyright 1992, 1993, 1994 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). -This file is part of GDB. + This file is part of GDB. -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 -(at your option) any later version. + 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 3 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ -extern int f_parse PARAMS ((void)); +#ifndef F_LANG_H +#define F_LANG_H -extern void f_error PARAMS ((char *)); /* Defined in f-exp.y */ +struct type_print_options; +struct parser_state; -extern void f_print_type PARAMS ((struct type *, char *, FILE *, int, int)); +extern int f_parse (struct parser_state *); -extern int f_val_print PARAMS ((struct type *, char *, CORE_ADDR, FILE *, - int, int, int, enum val_prettyprint)); +/* Implement the la_print_typedef language method for Fortran. */ -/* Language-specific data structures */ +extern void f_print_typedef (struct type *type, struct symbol *new_symbol, + struct ui_file *stream); -struct common_entry -{ - struct symbol *symbol; /* The symbol node corresponding - to this component */ - struct common_entry *next; /* The next component */ -}; +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 */ -struct saved_f77_common +/* A common block. */ + +struct common_block { - 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 */ + /* 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]; }; -typedef struct saved_f77_common SAVED_F77_COMMON, *SAVED_F77_COMMON_PTR; +extern LONGEST f77_get_upperbound (struct type *); + +extern LONGEST f77_get_lowerbound (struct type *); -typedef struct common_entry COMMON_ENTRY, *COMMON_ENTRY_PTR; +extern void f77_get_dynamic_array_length (struct type *); -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 int calc_f77_array_dims (struct type *); -extern SAVED_F77_COMMON_PTR find_common_for_function PARAMS ((char *, char *)); -#define UNINITIALIZED_SECNUM -1 -#define COMMON_NEEDS_PATCHING(blk) ((blk)->secnum == UNINITIALIZED_SECNUM) +/* 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; +}; -#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 */ +/* Return the Fortran type table for the specified architecture. */ +extern const struct builtin_f_type *builtin_f_type (struct gdbarch *gdbarch); -#define BOUND_FETCH_OK 1 -#define BOUND_FETCH_ERROR -999 +/* 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 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... */ + 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. -#define DEFAULT_UPPER_BOUND 999999 -#define DEFAULT_LOWER_BOUND -999999 + 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 char *real_main_name; /* Name of main function */ -extern int real_main_c_value; /* C_value field of main function */ +extern struct value *fortran_argument_convert (struct value *value, + bool is_artificial); -extern int f77_get_dynamic_upperbound PARAMS ((struct type *, int *)); +/* 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. -extern int f77_get_dynamic_lowerbound PARAMS ((struct type *, int *)); + If ARG is of type pointer then the type of ARG is returned, otherwise + TYPE is returned untouched. -extern void f77_get_dynamic_array_length PARAMS ((struct type *)); + 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 int calc_f77_array_dims PARAMS ((struct type *)); +extern struct type *fortran_preserve_arg_pointer (struct value *arg, + struct type *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" +#endif /* F_LANG_H */