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- /* Basic definitions for GDB, the GNU debugger.
- Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
-
- 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #if !defined (DEFS_H)
- #define DEFS_H
-
- /* An address in the program being debugged. Host byte order. */
- typedef unsigned int CORE_ADDR;
-
- #define min(a, b) ((a) < (b) ? (a) : (b))
- #define max(a, b) ((a) > (b) ? (a) : (b))
-
- /* The character C++ uses to build identifiers that must be unique from
- the program's identifiers (such as $this and $$vptr). */
- #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
-
- /*
- * Allow things in gdb to be declared "const". If compiling ANSI, it
- * just works. If compiling with gcc but non-ansi, redefine to __const__.
- * If non-ansi, non-gcc, then eliminate "const" entirely, making those
- * objects be read-write rather than read-only.
- */
- #ifndef const
- #ifndef __STDC__
- # ifdef __GNUC__
- # define const __const__
- # else
- # define const /*nothing*/
- # endif /* GNUC */
- #endif /* STDC */
- #endif /* const */
-
- #ifndef volatile
- #ifndef __STDC__
- # ifdef __GNUC__
- # define volatile __volatile__
- # else
- # define volatile /*nothing*/
- # endif /* GNUC */
- #endif /* STDC */
- #endif /* volatile */
-
- extern char *savestring ();
- extern char *strsave ();
- extern char *concat ();
- #ifdef __STDC__
- extern void *xmalloc (), *xrealloc ();
- #else
- extern char *xmalloc (), *xrealloc ();
- #endif
- extern void free ();
- extern int parse_escape ();
- extern char *reg_names[];
- /* Indicate that these routines do not return to the caller. */
- extern volatile void error(), fatal();
-
- /* Various possibilities for alloca. */
- #ifndef alloca
- # ifdef __GNUC__
- # define alloca __builtin_alloca
- # else
- # ifdef sparc
- # include <alloca.h>
- # endif
- extern char *alloca ();
- # endif
- #endif
-
- extern int errno; /* System call error return status */
-
- extern int quit_flag;
- extern int immediate_quit;
- extern void quit ();
-
- #define QUIT { if (quit_flag) quit (); }
-
- /* Notes on classes: class_alias is for alias commands which are not
- abbreviations of the original command. */
-
- enum command_class
- {
- /* Special args to help_list */
- all_classes = -2, all_commands = -1,
- /* Classes of commands */
- no_class = -1, class_run = 0, class_vars, class_stack,
- class_files, class_support, class_info, class_breakpoint,
- class_alias, class_obscure, class_user
- };
-
- /* the cleanup list records things that have to be undone
- if an error happens (descriptors to be closed, memory to be freed, etc.)
- Each link in the chain records a function to call and an
- argument to give it.
-
- Use make_cleanup to add an element to the cleanup chain.
- Use do_cleanups to do all cleanup actions back to a given
- point in the chain. Use discard_cleanups to remove cleanups
- from the chain back to a given point, not doing them. */
-
- struct cleanup
- {
- struct cleanup *next;
- void (*function) ();
- int arg;
- };
-
- /* From utils.c. */
- extern void do_cleanups ();
- extern void discard_cleanups ();
- extern struct cleanup *make_cleanup ();
- extern struct cleanup *save_cleanups ();
- extern void restore_cleanups ();
- extern void free_current_contents ();
- extern int myread ();
- extern int query ();
- extern void wrap_here (
- #ifdef __STDC__
- char *
- #endif
- );
- extern void reinitialize_more_filter ();
- extern void fputs_filtered ();
- extern void puts_filtered ();
- extern void fprintf_filtered ();
- extern void printf_filtered ();
- extern void print_spaces ();
- extern void print_spaces_filtered ();
- extern char *n_spaces ();
- extern void printchar ();
- extern void fprint_symbol ();
- extern void fputs_demangled ();
- extern void perror_with_name ();
- extern void print_sys_errmsg ();
-
- /* From printcmd.c */
- extern void print_address_symbolic ();
- extern void print_address ();
-
- /* From source.c */
- void mod_path (
- #ifdef __STDC__
- char *, char **
- #endif
- );
-
- /* From readline (but not in any readline .h files). */
- extern char *tilde_expand ();
-
- /* Structure for saved commands lines
- (for breakpoints, defined commands, etc). */
-
- struct command_line
- {
- struct command_line *next;
- char *line;
- };
-
- extern struct command_line *read_command_lines ();
- extern void free_command_lines ();
-
- /* String containing the current directory (what getwd would return). */
-
- char *current_directory;
-
- /* Default radixes for input and output. Only some values supported. */
- extern unsigned input_radix;
- extern unsigned output_radix;
-
- /* Baud rate specified for communication with serial target systems. */
- char *baud_rate;
-
- #if !defined (UINT_MAX)
- #define UINT_MAX 0xffffffff
- #endif
-
- #if !defined (LONG_MAX)
- #define LONG_MAX 0x7fffffff
- #endif
-
- #if !defined (INT_MAX)
- #define INT_MAX 0x7fffffff
- #endif
-
- #if !defined (INT_MIN)
- /* Two's complement, 32 bit. */
- #define INT_MIN -0x80000000
- #endif
-
- /* Just like CHAR_BIT in <limits.h> but describes the target machine. */
- #if !defined (TARGET_CHAR_BIT)
- #define TARGET_CHAR_BIT 8
- #endif
-
- /* Number of bits in a long long or unsigned long long
- for the target machine. */
- #if !defined (TARGET_LONG_LONG_BIT)
- #define TARGET_LONG_LONG_BIT 64
- #endif
-
- /* Convert a LONGEST to an int. This is used in contexts (e.g. number
- of arguments to a function, number in a value history, register
- number, etc.) where the value must not be larger than can fit
- in an int. */
- #if !defined (longest_to_int)
- #if defined (LONG_LONG)
- #define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \
- ? error ("Value out of range.") : (int) (x))
- #else /* No LONG_LONG. */
- /* Assume sizeof (int) == sizeof (long). */
- #define longest_to_int(x) ((int) (x))
- #endif /* No LONG_LONG. */
- #endif /* No longest_to_int. */
-
- /* Languages represented in the symbol table and elsewhere. */
-
- enum language
- {
- language_unknown, /* Language not known */
- language_auto, /* Placeholder for automatic setting */
- language_c, /* C */
- language_m2, /* Modula-2 */
- };
-
- /* Return a format string for printf that will print a number in the local
- (language-specific) hexadecimal format. Result is static and is
- overwritten by the next call. local_hex_format_custom takes printf
- options like "08" or "l" (to produce e.g. %08x or %lx). */
-
- #define local_hex_format() (current_language->la_hex_format)
- char *local_hex_format_custom(); /* language.c */
-
- /* Return a string that contains a number formatted in the local
- (language-specific) hexadecimal format. Result is static and is
- overwritten by the next call. local_hex_string_custom takes printf
- options like "08" or "l". */
-
- char *local_hex_string (); /* language.c */
- char *local_hex_string_custom (); /* language.c */
-
- #endif /* no DEFS_H */
-