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/* Data structures associated with tracepoints in GDB.
Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009
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. */
struct obj_section *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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