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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [tracepoint.h] - Rev 827

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/* Data structures associated with tracepoints in GDB.
   Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008
   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 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.
 
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
#if !defined (TRACEPOINT_H)
#define TRACEPOINT_H 1
 
/* The data structure for an action: */
struct action_line
  {
    struct action_line *next;
    char *action;
  };
 
/* The data structure for a tracepoint: */
 
struct tracepoint
  {
    struct tracepoint *next;
 
    int enabled_p;
 
#if 0
    /* Type of tracepoint.  (MVS FIXME: needed?) */
    enum tptype type;
 
    /* What to do with this tracepoint after we hit it 
       MVS FIXME: needed?).  */
    enum tpdisp disposition;
#endif
    /* Number assigned to distinguish tracepoints.  */
    int number;
 
    /* Address to trace at, or NULL if not an instruction tracepoint.
       (MVS ?) */
    CORE_ADDR address;
 
    /* Line number of this address.  
       Only matters if address is non-NULL.  */
    int line_number;
 
    /* Source file name of this address.  
       Only matters if address is non-NULL.  */
    char *source_file;
 
    /* Number of times this tracepoint should single-step 
       and collect additional data.  */
    long step_count;
 
    /* Number of times this tracepoint should be hit before 
       disabling/ending.  */
    int pass_count;
 
    /* Chain of action lines to execute when this tracepoint is hit.  */
    struct action_line *actions;
 
    /* Conditional (MVS ?).  */
    struct expression *cond;
 
    /* String we used to set the tracepoint (malloc'd).
       Only matters if address is non-NULL.  */
    char *addr_string;
 
    /* Language we used to set the tracepoint.  */
    enum language language;
 
    /* Input radix we used to set the tracepoint.  */
    int input_radix;
 
    /* Count of the number of times this tracepoint was taken, dumped
       with the info, but not used for anything else.  Useful for
       seeing how many times you hit a tracepoint prior to the program
       aborting, so you can back up to just before the abort.  */
    int hit_count;
 
    /* Thread number for thread-specific tracepoint, 
       or -1 if don't care.  */
    int thread;
 
    /* BFD section, in case of overlays: no, I don't know if
       tracepoints are really gonna work with overlays.  */
    asection *section;
  };
 
enum actionline_type
  {
    BADLINE = -1,
    GENERIC = 0,
    END = 1,
    STEPPING = 2
  };
 
 
/* The tracepoint chain of all tracepoints.  */
 
extern struct tracepoint *tracepoint_chain;
 
extern unsigned long trace_running_p;
 
/* A hook used to notify the UI of tracepoint operations.  */
 
void (*deprecated_create_tracepoint_hook) (struct tracepoint *);
void (*deprecated_delete_tracepoint_hook) (struct tracepoint *);
void (*deprecated_modify_tracepoint_hook) (struct tracepoint *);
void (*deprecated_trace_find_hook) (char *arg, int from_tty);
void (*deprecated_trace_start_stop_hook) (int start, int from_tty);
 
struct tracepoint *get_tracepoint_by_number (char **, int, int);
int get_traceframe_number (void);
void free_actions (struct tracepoint *);
enum actionline_type validate_actionline (char **, struct tracepoint *);
 
 
/* Walk the following statement or block through all tracepoints.
   ALL_TRACEPOINTS_SAFE does so even if the statment deletes the
   current breakpoint.  */
 
#define ALL_TRACEPOINTS(t)  for (t = tracepoint_chain; t; t = t->next)
 
#define ALL_TRACEPOINTS_SAFE(t,tmp)	\
	for (t = tracepoint_chain;	\
	     t ? (tmp = t->next, 1) : 0;\
	     t = tmp)
#endif	/* TRACEPOINT_H */
 

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