/* Data structures associated with tracepoints in GDB.
- Copyright (C) 1997-2000, 2007-2012 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;
extern char *default_collect;
-/* Struct to collect random info about tracepoints on the target. */
+extern int trace_regblock_size;
-DEF_VEC_P (char_ptr);
+extern const char *stop_reason_names[];
+
+/* Struct to collect random info about tracepoints on the target. */
struct uploaded_tp
{
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. */
/* Returns the current traceframe number. */
extern int get_traceframe_number (void);
-/* Make the traceframe NUM be the current GDB trace frame number, and
- do nothing more. In particular, this does not flush the
- register/frame caches or notify the target about the trace frame
- change, so that is can be used when we need to momentarily access
- live memory. Targets lazily switch their current traceframe to
- match GDB's traceframe number, at the appropriate times. */
-extern void set_traceframe_number (int);
+/* 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,
extern void set_current_traceframe (int num);
struct cleanup *make_cleanup_restore_current_traceframe (void);
-struct cleanup *make_cleanup_restore_traceframe_number (void);
void free_actions (struct breakpoint *);
-extern char *decode_agent_options (char *exp);
+extern const char *decode_agent_options (const char *exp, int *trace_string);
-extern void validate_actionline (char **, struct breakpoint *);
+extern void encode_actions (struct bp_location *tloc,
+ struct collection_list *tracepoint_list,
+ struct collection_list *stepping_list);
-extern void end_actions_pseudocommand (char *args, int from_tty);
-extern void while_stepping_pseudocommand (char *args, int from_tty);
+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 struct uploaded_tp *get_uploaded_tp (int num, ULONGEST addr,
struct uploaded_tp **utpp);
+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 check_trace_running (struct trace_status *);
extern void start_tracing (char *notes);
extern void stop_tracing (char *notes);
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 */
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