/* 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, 2011
Free Software Foundation, Inc.
This file is part of GDB.
#if !defined (TRACEPOINT_H)
#define TRACEPOINT_H 1
-/* The data structure for an action: */
-struct action_line
+#include "breakpoint.h"
+#include "target.h"
+
+/* 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
{
- struct action_line *next;
- char *action;
- };
+ /* 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;
-enum actionline_type
+ /* This is true for variables that are predefined and built into
+ the target. */
+ int builtin;
+ };
+
+/* The trace status encompasses various info about the general state
+ of the tracing run. */
+
+enum trace_stop_reason
{
- BADLINE = -1,
- GENERIC = 0,
- END = 1,
- STEPPING = 2
+ trace_stop_reason_unknown,
+ trace_never_run,
+ tstop_command,
+ trace_buffer_full,
+ trace_disconnected,
+ tracepoint_passcount,
+ tracepoint_error
};
-extern unsigned long trace_running_p;
+struct trace_status
+{
+ /* This is true if the status is coming from a file rather
+ than a live target. */
+ int from_file;
+
+ /* This is true if the value of the running field is known. */
+ int running_known;
+
+ int running;
+
+ enum trace_stop_reason stop_reason;
+
+ /* If stop_reason is tracepoint_passcount or tracepoint_error, this
+ is the (on-target) number of the tracepoint which caused the
+ stop. */
+ int stopping_tracepoint;
+
+ /* If stop_reason is tracepoint_error, this is a human-readable
+ string that describes the error that happened on the target. */
+ char *error_desc;
+
+ /* Number of traceframes currently in the buffer. */
+
+ int traceframe_count;
+
+ /* Number of traceframes created since start of run. */
+
+ int traceframes_created;
+
+ /* Total size of the target's trace buffer. */
+
+ int buffer_size;
+
+ /* Unused bytes left in the target's trace buffer. */
+
+ int buffer_free;
+
+ /* 1 if the target will continue tracing after disconnection, else
+ 0. If the target does not report a value, assume 0. */
+
+ int disconnected_tracing;
+
+ /* 1 if the target is using a circular trace buffer, else 0. If the
+ target does not report a value, assume 0. */
+
+ int circular_buffer;
+};
+
+struct trace_status *current_trace_status (void);
+
+extern char *default_collect;
+
+/* Struct to collect random info about tracepoints on the target. */
+
+DEF_VEC_P (char_ptr);
+
+struct uploaded_tp
+{
+ int number;
+ enum bptype type;
+ ULONGEST addr;
+ int enabled;
+ int step;
+ int pass;
+ int orig_size;
+
+ /* String that is the encoded form of the tracepoint's condition. */
+ char *cond;
+
+ /* Vectors of strings that are the encoded forms of a tracepoint's
+ actions. */
+ VEC(char_ptr) *actions;
+ VEC(char_ptr) *step_actions;
+
+ /* The original string defining the location of the tracepoint. */
+ char *at_string;
+
+ /* The original string defining the tracepoint's condition. */
+ char *cond_string;
+
+ /* List of original strings defining the tracepoint's actions. */
+ VEC(char_ptr) *cmd_strings;
+
+ struct uploaded_tp *next;
+};
+
+/* Struct recording info about trace state variables on the target. */
+
+struct uploaded_tsv
+{
+ const char *name;
+ int number;
+ LONGEST initial_value;
+ int builtin;
+ struct uploaded_tsv *next;
+};
+
+/* Struct recording info about a target static tracepoint marker. */
+
+struct static_tracepoint_marker
+{
+ struct gdbarch *gdbarch;
+ CORE_ADDR address;
+
+ /* The string ID of the marker. */
+ char *str_id;
+
+ /* Extra target reported info associated with the marker. */
+ char *extra;
+};
+
+extern void parse_static_tracepoint_marker_definition
+ (char *line, char **pp,
+ struct static_tracepoint_marker *marker);
+extern void release_static_tracepoint_marker (struct static_tracepoint_marker *);
/* A hook used to notify the UI of tracepoint operations. */
extern void (*deprecated_trace_start_stop_hook) (int start, int from_tty);
int get_traceframe_number (void);
+void set_traceframe_number (int);
+struct cleanup *make_cleanup_restore_current_traceframe (void);
+
void free_actions (struct breakpoint *);
-enum actionline_type validate_actionline (char **, struct breakpoint *);
+extern void 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 struct trace_state_variable *create_trace_state_variable (const char *name);
+
+extern int encode_source_string (int num, ULONGEST addr,
+ char *srctype, char *src,
+ char *buf, int buf_size);
+
+extern void parse_trace_status (char *line, struct trace_status *ts);
+
+extern void parse_tracepoint_definition (char *line,
+ struct uploaded_tp **utpp);
+extern void parse_tsv_definition (char *line, struct uploaded_tsv **utsvp);
+
+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);
+
+extern void disconnect_tracing (int from_tty);
+
+extern void start_tracing (void);
+extern void stop_tracing (void);
+
+extern void trace_status_mi (int on_stop);
+
+extern void tvariables_info_1 (void);
+extern void save_trace_state_variables (struct ui_file *fp);
+
+extern void tfind_1 (enum trace_find_type type, int num,
+ ULONGEST addr1, ULONGEST addr2,
+ int from_tty);
+
+extern void trace_save (const char *filename, int target_does_save);
+
#endif /* TRACEPOINT_H */