binutils-gdb/gdb/top.h

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/* Top level stuff for GDB, the GNU debugger.
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
Free Software Foundation, Inc.
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This file is part of GDB.
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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.
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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.
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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. */
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#include <setjmp.h>
/* From top.c. */
extern char *line;
extern int linesize;
extern FILE *instream;
extern char gdb_dirbuf[1024];
extern int inhibit_gdbinit;
extern int epoch_interface;
extern char gdbinit[];
/* Generally one should use catch_errors rather than manipulating these
directly. The exception is main(). */
#if defined(HAVE_SIGSETJMP)
#define SIGJMP_BUF sigjmp_buf
#define SIGSETJMP(buf) sigsetjmp(buf, 1)
#define SIGLONGJMP(buf,val) siglongjmp(buf,val)
#else
#define SIGJMP_BUF jmp_buf
#define SIGSETJMP(buf) setjmp(buf)
#define SIGLONGJMP(buf,val) longjmp(buf,val)
#endif
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/* Temporary variable for SET_TOP_LEVEL. */
int top_level_val;
/* Do a setjmp on error_return and quit_return. catch_errors is
generally a cleaner way to do this, but main() would look pretty
ugly if it had to use catch_errors each time. */
#define SET_TOP_LEVEL() \
(((top_level_val = SIGSETJMP (error_return)) \
? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \
, top_level_val)
extern SIGJMP_BUF error_return;
extern SIGJMP_BUF quit_return;
extern void print_gdb_version PARAMS ((GDB_FILE *));
extern void source_command PARAMS ((char *, int));
extern void cd_command PARAMS ((char *, int));
extern void read_command_file PARAMS ((FILE *));
extern void init_history PARAMS ((void));
extern void command_loop PARAMS ((void));
extern int quit_confirm PARAMS ((void));
extern void quit_force PARAMS ((char *, int));
extern void quit_command PARAMS ((char *, int));
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extern void command_loop_marker PARAMS ((int));
extern int quit_cover PARAMS ((PTR));
extern void execute_command PARAMS ((char *, int));
/* This function returns a pointer to the string that is used
by gdb for its command prompt. */
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extern char *get_prompt PARAMS ((void));
/* This function copies the specified string into the string that
is used by gdb for its command prompt. */
extern void set_prompt PARAMS ((char *));
/* From random places. */
extern int mapped_symbol_files;
extern int readnow_symbol_files;
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/* Perform _initialize initialization */
extern void gdb_init PARAMS ((char *));
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/* For use by event-top.c */
/* Variables from top.c. */
extern int source_line_number;
extern char *source_file_name;
extern char *source_error;
extern char *source_pre_error;
extern int history_expansion_p;
extern int server_command;