/* 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.
char *action;
};
-/* The data structure for a tracepoint: */
-
-struct tracepoint
+enum actionline_type
{
- struct tracepoint *next;
+ BADLINE = -1,
+ GENERIC = 0,
+ END = 1,
+ STEPPING = 2
+ };
- int enabled_p;
+/* 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. */
-#if 0
- /* Type of tracepoint. (MVS FIXME: needed?) */
- enum tptype type;
+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;
- /* What to do with this tracepoint after we hit it
- MVS FIXME: needed?). */
- enum tpdisp disposition;
-#endif
- /* Number assigned to distinguish tracepoints. */
+ /* An id number assigned by GDB, and transmitted to targets. */
int number;
- /* Address to trace at, or NULL if not an instruction tracepoint.
- (MVS ?) */
- CORE_ADDR address;
+ /* The initial value of a variable is a 64-bit signed integer. */
+ LONGEST initial_value;
- /* Line number of this address.
- Only matters if address is non-NULL. */
- int line_number;
+ /* 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;
- /* Source file name of this address.
- Only matters if address is non-NULL. */
- char *source_file;
+ /* The value of a variable is a 64-bit signed integer. */
+ LONGEST value;
- /* Number of times this tracepoint should single-step
- and collect additional data. */
- long step_count;
+ /* This is true for variables that are predefined and built into
+ the target. */
+ int builtin;
+ };
- /* Number of times this tracepoint should be hit before
- disabling/ending. */
- int pass_count;
+/* The trace status encompasses various info about the general state
+ of the tracing run. */
- /* Chain of action lines to execute when this tracepoint is hit. */
- struct action_line *actions;
+enum trace_stop_reason
+ {
+ trace_stop_reason_unknown,
+ trace_never_run,
+ tstop_command,
+ trace_buffer_full,
+ trace_disconnected,
+ tracepoint_passcount
+ };
- /* Conditional (MVS ?). */
- struct expression *cond;
+struct trace_status
+{
+ /* This is true if the status is coming from a file rather
+ than a live target. */
+ int from_file;
- /* String we used to set the tracepoint (malloc'd).
- Only matters if address is non-NULL. */
- char *addr_string;
+ /* This is true if the value of the running field is known. */
+ int running_known;
- /* Language we used to set the tracepoint. */
- enum language language;
+ int running;
- /* Input radix we used to set the tracepoint. */
- int input_radix;
+ enum trace_stop_reason stop_reason;
- /* 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;
+ int stopping_tracepoint;
- /* Thread number for thread-specific tracepoint,
- or -1 if don't care. */
- int thread;
+ int traceframe_count;
- /* BFD section, in case of overlays: no, I don't know if
- tracepoints are really gonna work with overlays. */
- struct obj_section *section;
- };
+ unsigned long long buffer_size;
-enum actionline_type
- {
- BADLINE = -1,
- GENERIC = 0,
- END = 1,
- STEPPING = 2
- };
+ unsigned long long buffer_free;
+};
+
+struct trace_status *current_trace_status (void);
+
+extern char *default_collect;
+/* Struct to collect random info about tracepoints on the target. */
-/* The tracepoint chain of all tracepoints. */
+struct uploaded_tp {
+ int number;
+ enum bptype type;
+ ULONGEST addr;
+ int enabled;
+ int step;
+ int pass;
+ int orig_size;
+ char *cond;
+ int numactions;
+ char *actions[100];
+ int num_step_actions;
+ char *step_actions[100];
+ struct uploaded_tp *next;
+};
-extern struct tracepoint *tracepoint_chain;
+/* Struct recording info about trace state variables on the target. */
-extern unsigned long trace_running_p;
+struct uploaded_tsv {
+ const char *name;
+ int number;
+ LONGEST initial_value;
+ int builtin;
+ struct uploaded_tsv *next;
+};
/* 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 *);
+
+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);
+extern void parse_trace_status (char *line, struct trace_status *ts);
-/* Walk the following statement or block through all tracepoints.
- ALL_TRACEPOINTS_SAFE does so even if the statment deletes the
- current breakpoint. */
+extern void parse_tracepoint_definition (char *line, struct uploaded_tp **utpp);
+extern void parse_tsv_definition (char *line, struct uploaded_tsv **utsvp);
-#define ALL_TRACEPOINTS(t) for (t = tracepoint_chain; t; t = t->next)
+extern struct uploaded_tp *get_uploaded_tp (int num, ULONGEST addr,
+ struct uploaded_tp **utpp);
+extern struct breakpoint *create_tracepoint_from_upload (struct uploaded_tp *utp);
+extern void merge_uploaded_tracepoints (struct uploaded_tp **utpp);
+extern void merge_uploaded_trace_state_variables (struct uploaded_tsv **utsvp);
-#define ALL_TRACEPOINTS_SAFE(t,tmp) \
- for (t = tracepoint_chain; \
- t ? (tmp = t->next, 1) : 0;\
- t = tmp)
#endif /* TRACEPOINT_H */
projects / deliverable / binutils-gdb.git / blobdiff