gdb/top.h

   1 /* Top level stuff for GDB, the GNU debugger.
   2    Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include <setjmp.h>
  23
  24 /* From top.c.  */
  25 extern char *line;
  26 extern int linesize;
  27 extern FILE *instream;
  28 extern char gdb_dirbuf[1024];
  29 extern int inhibit_gdbinit;
  30 extern int epoch_interface;
  31 extern char gdbinit[];
  32
  33 /* Generally one should use catch_errors rather than manipulating these
  34    directly.  The exception is main().  */
  35 #if defined(HAVE_SIGSETJMP)
  36 #define SIGJMP_BUF              sigjmp_buf
  37 #define SIGSETJMP(buf)          sigsetjmp(buf, 1)
  38 #define SIGLONGJMP(buf,val)     siglongjmp(buf,val)
  39 #else
  40 #define SIGJMP_BUF              jmp_buf
  41 #define SIGSETJMP(buf)          setjmp(buf)
  42 #define SIGLONGJMP(buf,val)     longjmp(buf,val)
  43 #endif
  44
  45 extern SIGJMP_BUF error_return;
  46 extern SIGJMP_BUF quit_return;
  47
  48 extern void print_gdb_version PARAMS ((GDB_FILE *));
  49
  50 extern void source_command PARAMS ((char *, int));
  51 extern void cd_command PARAMS ((char *, int));
  52 extern void read_command_file PARAMS ((FILE *));
  53 extern void init_history PARAMS ((void));
  54 extern void command_loop PARAMS ((void));
  55 extern int quit_confirm PARAMS ((void));
  56 extern void quit_force PARAMS ((char *, int));
  57 extern void quit_command PARAMS ((char *, int));
  58 extern void command_loop_marker PARAMS ((int));
  59 extern int quit_cover PARAMS ((PTR));
  60 extern void execute_command PARAMS ((char *, int));
  61
  62 /* This function returns a pointer to the string that is used
  63    by gdb for its command prompt. */
  64 extern char *get_prompt PARAMS ((void));
  65
  66 /* This function copies the specified string into the string that
  67    is used by gdb for its command prompt. */
  68 extern void set_prompt PARAMS ((char *));
  69
  70 /* From random places.  */
  71 extern int mapped_symbol_files;
  72 extern int readnow_symbol_files;
  73
  74 /* Perform _initialize initialization */
  75 extern void gdb_init PARAMS ((char *));
  76
  77 /* For use by event-top.c */
  78 /* Variables from top.c. */
  79 extern int source_line_number;
  80 extern char *source_file_name;
  81 extern char *source_error;
  82 extern char *source_pre_error;
  83 extern int history_expansion_p;
  84 extern int server_command;