/* Data structures associated with tracepoints in GDB.
- Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1997-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "breakpoint.h"
#include "target.h"
#include "memrange.h"
+#include "gdb_vecs.h"
+
+#include <vector>
+#include <string>
+
+/* An object describing the contents of a traceframe. */
+
+struct traceframe_info
+{
+ /* Collected memory. */
+ VEC(mem_range_s) *memory;
+
+ /* Collected trace state variables. */
+ VEC(int) *tvars;
+};
/* A trace state variable is a value managed by a target being
traced. A trace state variable (or tsv for short) can be accessed
{
trace_stop_reason_unknown,
trace_never_run,
- tstop_command,
+ trace_stop_command,
trace_buffer_full,
trace_disconnected,
tracepoint_passcount,
struct trace_status
{
- /* This is true if the status is coming from a file rather
- than a live target. */
- int from_file;
+ /* If the status is coming from a file rather than a live target,
+ this points at the file's filename. Otherwise, this is NULL. */
+ const char *filename;
/* This is true if the value of the running field is known. */
int running_known;
+ /* This is true when the trace experiment is actually running. */
int running;
enum trace_stop_reason stop_reason;
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;
+ /* If stop_reason is tstop_command or tracepoint_error, this is an
+ arbitrary string that may describe the reason for the stop in
+ more detail. */
+
+ char *stop_desc;
/* Number of traceframes currently in the buffer. */
target does not report a value, assume 0. */
int circular_buffer;
+
+ /* The "name" of the person running the trace. This is an
+ arbitrary string. */
+
+ char *user_name;
+
+ /* "Notes" about the trace. This is an arbitrary string not
+ interpreted by GDBserver in any special way. */
+
+ char *notes;
+
+ /* The calendar times at which the trace run started and stopped,
+ both expressed in microseconds of Unix time. */
+
+ LONGEST start_time;
+ LONGEST stop_time;
};
struct trace_status *current_trace_status (void);
extern char *default_collect;
-/* Struct to collect random info about tracepoints on the target. */
+extern int trace_regblock_size;
+
+extern const char *stop_reason_names[];
-DEF_VEC_P (char_ptr);
+/* Struct to collect random info about tracepoints on the target. */
struct uploaded_tp
{
/* List of original strings defining the tracepoint's actions. */
VEC(char_ptr) *cmd_strings;
+ /* The tracepoint's current hit count. */
+ int hit_count;
+
+ /* The tracepoint's current traceframe usage. */
+ ULONGEST traceframe_usage;
+
struct uploaded_tp *next;
};
char *extra;
};
+struct memrange
+{
+ memrange (int type_, bfd_signed_vma start_, bfd_signed_vma end_)
+ : type (type_), start (start_), end (end_)
+ {}
+
+ memrange ()
+ {}
+
+ /* memrange_absolute for absolute memory range, else basereg
+ number. */
+ int type;
+ bfd_signed_vma start;
+ bfd_signed_vma end;
+};
+
+class collection_list
+{
+public:
+ collection_list ();
+
+ void add_wholly_collected (const char *print_name);
+
+ void append_exp (struct expression *exp);
+
+ /* Add AEXPR to the list, taking ownership. */
+ void add_aexpr (agent_expr_up aexpr);
+
+ void add_register (unsigned int regno);
+ void add_memrange (struct gdbarch *gdbarch,
+ int type, bfd_signed_vma base,
+ unsigned long len);
+ void collect_symbol (struct symbol *sym,
+ struct gdbarch *gdbarch,
+ long frame_regno, long frame_offset,
+ CORE_ADDR scope,
+ int trace_string);
+
+ void add_local_symbols (struct gdbarch *gdbarch, CORE_ADDR pc,
+ long frame_regno, long frame_offset, int type,
+ int trace_string);
+ void add_static_trace_data ();
+
+ void finish ();
+
+ char **stringify ();
+
+ const std::vector<std::string> &wholly_collected ()
+ { return m_wholly_collected; }
+
+ const std::vector<std::string> &computed ()
+ { return m_computed; }
+
+private:
+ /* room for up to 256 regs */
+ unsigned char m_regs_mask[32];
+
+ std::vector<memrange> m_memranges;
+
+ std::vector<agent_expr_up> m_aexprs;
+
+ /* True is the user requested a collection of "$_sdata", "static
+ tracepoint data". */
+ bool m_strace_data;
+
+ /* A set of names of wholly collected objects. */
+ std::vector<std::string> m_wholly_collected;
+ /* A set of computed expressions. */
+ std::vector<std::string> m_computed;
+};
+
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 *);
+extern void free_current_marker (void *arg);
/* A hook used to notify the UI of tracepoint operations. */
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 set_traceframe_number (int);
+/* Returns the current traceframe number. */
+extern int get_traceframe_number (void);
+
+/* Returns the tracepoint number for current traceframe. */
+extern int get_tracepoint_number (void);
+
+/* Make the traceframe NUM be the current trace frame, all the way to
+ the target, and flushes all global state (register/frame caches,
+ etc.). */
+extern void set_current_traceframe (int num);
+
struct cleanup *make_cleanup_restore_current_traceframe (void);
void free_actions (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 const char *decode_agent_options (const char *exp, int *trace_string);
+
+extern void encode_actions (struct bp_location *tloc,
+ struct collection_list *tracepoint_list,
+ struct collection_list *stepping_list);
+
+extern void encode_actions_rsp (struct bp_location *tloc,
+ char ***tdp_actions, char ***stepping_actions);
+
+extern void validate_actionline (const char *, struct breakpoint *);
+extern void validate_trace_state_variable_name (const char *name);
extern struct trace_state_variable *find_trace_state_variable (const char *name);
+extern struct trace_state_variable *
+ find_trace_state_variable_by_number (int number);
+
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 *srctype, const char *src,
char *buf, int buf_size);
extern void parse_trace_status (char *line, struct trace_status *ts);
+extern void parse_tracepoint_status (char *p, struct breakpoint *tp,
+ struct uploaded_tp *utp);
+
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 free_uploaded_tps (struct uploaded_tp **utpp);
+
+extern struct uploaded_tsv *get_uploaded_tsv (int num,
+ struct uploaded_tsv **utsvp);
+extern void free_uploaded_tsvs (struct uploaded_tsv **utsvp);
+extern struct tracepoint *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 query_if_trace_running (int from_tty);
+extern void disconnect_tracing (void);
+extern void trace_reset_local_state (void);
-extern void start_tracing (void);
-extern void stop_tracing (void);
+extern void check_trace_running (struct trace_status *);
+
+extern void start_tracing (char *notes);
+extern void stop_tracing (char *notes);
extern void trace_status_mi (int on_stop);
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,
+ CORE_ADDR addr1, CORE_ADDR addr2,
int from_tty);
-extern void trace_save (const char *filename, int target_does_save);
+extern void trace_save_tfile (const char *filename,
+ int target_does_save);
+extern void trace_save_ctf (const char *dirname,
+ int target_does_save);
extern struct traceframe_info *parse_traceframe_info (const char *tframe_info);
extern int traceframe_available_memory (VEC(mem_range_s) **result,
CORE_ADDR memaddr, ULONGEST len);
+extern struct traceframe_info *get_traceframe_info (void);
+
+extern struct bp_location *get_traceframe_location (int *stepping_frame_p);
+
#endif /* TRACEPOINT_H */