/* Data structures associated with tracepoints in GDB.
- Copyright (C) 1997, 1998, 1999, 2000, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
This file is part of GDB.
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,
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 tracepoint chain of all tracepoints. */
+ /* The initial value of a variable is a 64-bit signed integer. */
+ LONGEST initial_value;
-extern struct tracepoint *tracepoint_chain;
+ /* 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_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);
+extern void (*deprecated_trace_find_hook) (char *arg, int from_tty);
+extern 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 *);
-
+void free_actions (struct breakpoint *);
+enum actionline_type validate_actionline (char **, struct breakpoint *);
-/* Walk the following statement or block through all tracepoints.
- ALL_TRACEPOINTS_SAFE does so even if the statment deletes the
- current breakpoint. */
+extern void end_actions_pseudocommand (char *args, int from_tty);
+extern void while_stepping_pseudocommand (char *args, int from_tty);
-#define ALL_TRACEPOINTS(t) for (t = tracepoint_chain; t; t = t->next)
+extern struct trace_state_variable *find_trace_state_variable (const char *name);
-#define ALL_TRACEPOINTS_SAFE(t,tmp) \
- for (t = tracepoint_chain; \
- t ? (tmp = t->next, 1) : 0;\
- t = tmp)
#endif /* TRACEPOINT_H */