/* Data structures associated with tracepoints in GDB.
- Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009
+ Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GDB.
STEPPING = 2
};
+/* A trace state variable is a value managed by a target being
+ traced. A trace state variable (or tsv for short) can be accessed
+ and assigned to by tracepoint actions and conditionals, but is not
+ part of the program being traced, and it doesn't have to be
+ collected. Effectively the variables are scratch space for
+ tracepoints. */
+
+struct trace_state_variable
+ {
+ /* The variable's name. The user has to prefix with a dollar sign,
+ but we don't store that internally. */
+ const char *name;
+
+ /* An id number assigned by GDB, and transmitted to targets. */
+ int number;
+
+ /* The initial value of a variable is a 64-bit signed integer. */
+ LONGEST initial_value;
+
+ /* 1 if the value is known, else 0. The value is known during a
+ trace run, or in tfind mode if the variable was collected into
+ the current trace frame. */
+ int value_known;
+
+ /* The value of a variable is a 64-bit signed integer. */
+ LONGEST value;
+ };
+
extern unsigned long trace_running_p;
+extern char *default_collect;
+
/* A hook used to notify the UI of tracepoint operations. */
-void (*deprecated_trace_find_hook) (char *arg, int from_tty);
-void (*deprecated_trace_start_stop_hook) (int start, int from_tty);
+extern void (*deprecated_trace_find_hook) (char *arg, int from_tty);
+extern void (*deprecated_trace_start_stop_hook) (int start, int from_tty);
int get_traceframe_number (void);
void free_actions (struct breakpoint *);
extern void end_actions_pseudocommand (char *args, int from_tty);
extern void while_stepping_pseudocommand (char *args, int from_tty);
+extern struct trace_state_variable *find_trace_state_variable (const char *name);
+
#endif /* TRACEPOINT_H */