c1ace5b596
before we compile it. defs.h: Protect against multiple inclusion. param.h: Include defs.h.
179 lines
5.0 KiB
C
179 lines
5.0 KiB
C
/* Basic definitions for GDB, the GNU debugger.
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Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
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This file is part of GDB.
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GDB is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GDB is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GDB; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#if !defined (DEFS_H)
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#define DEFS_H
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/* An address in the program being debugged. Host byte order. */
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typedef unsigned int CORE_ADDR;
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#define min(a, b) ((a) < (b) ? (a) : (b))
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#define max(a, b) ((a) > (b) ? (a) : (b))
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/* The character C++ uses to build identifiers that must be unique from
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the program's identifiers (such as $this and $$vptr). */
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#define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
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/*
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* Allow things in gdb to be declared "const". If compiling ANSI, it
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* just works. If compiling with gcc but non-ansi, redefine to __const__.
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* If non-ansi, non-gcc, then eliminate "const" entirely, making those
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* objects be read-write rather than read-only.
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*/
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#ifndef __STDC__
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# ifdef __GNUC__
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# define const __const__
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# define volatile __volatile__
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# else
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# define const /*nothing*/
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# define volatile /*nothing*/
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# endif /* GNUC */
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#endif /* STDC */
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extern char *savestring ();
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extern char *strsave ();
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extern char *concat ();
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#ifdef __STDC__
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extern void *xmalloc (), *xrealloc ();
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#else
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extern char *xmalloc (), *xrealloc ();
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#endif
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extern void free ();
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extern int parse_escape ();
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extern char *reg_names[];
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/* Indicate that these routines do not return to the caller. */
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extern volatile void error(), fatal();
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/* Various possibilities for alloca. */
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#ifdef __GNUC__
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# define alloca __builtin_alloca
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#else
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# ifdef sparc
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# include <alloca.h>
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# endif
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extern char *alloca ();
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# endif
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extern int errno; /* System call error return status */
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extern int quit_flag;
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extern int immediate_quit;
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extern void quit ();
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#define QUIT { if (quit_flag) quit (); }
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/* Notes on classes: class_alias is for alias commands which are not
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abbreviations of the original command. */
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enum command_class
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{
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/* Special args to help_list */
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all_classes = -2, all_commands = -1,
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/* Classes of commands */
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no_class = -1, class_run = 0, class_vars, class_stack,
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class_files, class_support, class_info, class_breakpoint,
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class_alias, class_obscure, class_user
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};
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/* the cleanup list records things that have to be undone
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if an error happens (descriptors to be closed, memory to be freed, etc.)
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Each link in the chain records a function to call and an
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argument to give it.
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Use make_cleanup to add an element to the cleanup chain.
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Use do_cleanups to do all cleanup actions back to a given
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point in the chain. Use discard_cleanups to remove cleanups
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from the chain back to a given point, not doing them. */
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struct cleanup
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{
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struct cleanup *next;
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void (*function) ();
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int arg;
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};
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/* From utils.c. */
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extern void do_cleanups ();
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extern void discard_cleanups ();
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extern struct cleanup *make_cleanup ();
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extern struct cleanup *save_cleanups ();
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extern void restore_cleanups ();
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extern void free_current_contents ();
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extern int myread ();
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extern int query ();
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extern int lines_to_list ();
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extern void reinitialize_more_filter ();
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extern void fputs_filtered ();
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extern void puts_filtered ();
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extern void fprintf_filtered ();
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extern void printf_filtered ();
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extern void print_spaces ();
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extern void print_spaces_filtered ();
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extern char *n_spaces ();
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extern void printchar ();
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extern void fprint_symbol ();
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extern void fputs_demangled ();
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extern void perror_with_name ();
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extern void print_sys_errmsg ();
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/* From printcmd.c */
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extern void print_address_symbolic ();
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extern void print_address ();
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/* From readline (but not in any readline .h files). */
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extern char *tilde_expand ();
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/* Structure for saved commands lines
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(for breakpoints, defined commands, etc). */
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struct command_line
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{
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struct command_line *next;
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char *line;
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};
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extern struct command_line *read_command_lines ();
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extern void free_command_lines ();
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/* String containing the current directory (what getwd would return). */
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char *current_directory;
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/* Default radixes for input and output. Only some values supported. */
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extern unsigned input_radix;
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extern unsigned output_radix;
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/* Baud rate specified for communication with serial target systems. */
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char *baud_rate;
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#if !defined (UINT_MAX)
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#define UINT_MAX 0xffffffff
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#endif
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#if !defined (LONG_MAX)
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#define LONG_MAX 0x7fffffff
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#endif
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/* Just like CHAR_BIT in <limits.h> but describes the target machine. */
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#if !defined (TARGET_CHAR_BIT)
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#define TARGET_CHAR_BIT 8
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#endif
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#endif /* no DEFS_H */
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