X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftracepoint.h;h=dd9b48bf379d6e4fcfacef00d17e6d8abd097384;hb=2117c711ae07700adb57ea5b5ca61e4c32d7e3d2;hp=276501e51742fba442f9ccafef117bd4fa1496f2;hpb=b3b9301ef4f284b2f2f3dd276cf63600507fe47a;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/tracepoint.h b/gdb/tracepoint.h
index 276501e517..dd9b48bf37 100644
--- a/gdb/tracepoint.h
+++ b/gdb/tracepoint.h
@@ -1,6 +1,5 @@
 /* Data structures associated with tracepoints in GDB.
-   Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 1997-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -22,6 +21,19 @@
 
 #include "breakpoint.h"
 #include "target.h"
+#include "memrange.h"
+#include "gdb_vecs.h"
+
+/* 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
@@ -71,13 +83,14 @@ enum trace_stop_reason
 
 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;
@@ -87,9 +100,11 @@ struct trace_status
      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.  */
 
@@ -116,15 +131,31 @@ struct trace_status
      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;
 
-DEF_VEC_P (char_ptr);
+/* Struct to collect random info about tracepoints on the target.  */
 
 struct uploaded_tp
 {
@@ -153,6 +184,12 @@ 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;
 };
 
@@ -181,27 +218,195 @@ struct static_tracepoint_marker
   char *extra;
 };
 
+struct trace_file_writer;
+
+/* Operations to write trace frames to a specific trace format.  */
+
+struct trace_frame_write_ops
+{
+  /* Write a new trace frame.  The tracepoint number of this trace
+     frame is TPNUM.  */
+  void (*start) (struct trace_file_writer *self, uint16_t tpnum);
+
+  /* Write an 'R' block.  Buffer BUF contains its contents and SIZE is
+     its size.  */
+  void (*write_r_block) (struct trace_file_writer *self,
+			 gdb_byte *buf, int32_t size);
+
+  /* Write an 'M' block, the header and memory contents respectively.
+     The header of 'M' block is composed of the start address and the
+     length of memory collection, and the memory contents contain
+     the collected memory contents in tracing.
+     For extremely large M block, GDB is unable to get its contents
+     and write them into trace file in one go, due to the limitation
+     of the remote target or the size of internal buffer, we split
+     the operation to 'M' block to two operations.  */
+  /* Write the head of 'M' block.  ADDR is the start address of
+     collected memory and LENGTH is the length of memory contents.  */
+  void (*write_m_block_header) (struct trace_file_writer *self,
+				uint64_t addr, uint16_t length);
+  /* Write the memory contents of 'M' block.  Buffer BUF contains
+     its contents and LENGTH is its length.  This method can be called
+     multiple times to write large memory contents of a single 'M'
+     block.  */
+  void (*write_m_block_memory) (struct trace_file_writer *self,
+				gdb_byte *buf, uint16_t length);
+
+  /* Write a 'V' block.  NUM is the trace variable number and VAL is
+     the value of the trace variable.  */
+  void (*write_v_block) (struct trace_file_writer *self, int32_t num,
+			 uint64_t val);
+
+  /* The end of the trace frame.  */
+  void (*end) (struct trace_file_writer *self);
+};
+
+/* Operations to write trace buffers to a specific trace format.  */
+
+struct trace_file_write_ops
+{
+  /* Destructor.  Releases everything from SELF (but not SELF
+     itself).  */
+  void (*dtor) (struct trace_file_writer *self);
+
+  /*  Save the data to file or directory NAME of desired format in
+      target side.  Return true for success, otherwise return
+      false.  */
+  int (*target_save) (struct trace_file_writer *self,
+		      const char *name);
+
+  /* Write the trace buffers to file or directory NAME.  */
+  void (*start) (struct trace_file_writer *self,
+		 const char *name);
+
+  /* Write the trace header.  */
+  void (*write_header) (struct trace_file_writer *self);
+
+  /* Write the type of block about registers.  SIZE is the size of
+     all registers on the target.  */
+  void (*write_regblock_type) (struct trace_file_writer *self,
+			       int size);
+
+  /* Write trace status TS.  */
+  void (*write_status) (struct trace_file_writer *self,
+			struct trace_status *ts);
+
+  /* Write the uploaded TSV.  */
+  void (*write_uploaded_tsv) (struct trace_file_writer *self,
+			      struct uploaded_tsv *tsv);
+
+  /* Write the uploaded tracepoint TP.  */
+  void (*write_uploaded_tp) (struct trace_file_writer *self,
+			     struct uploaded_tp *tp);
+
+  /* Write to mark the end of the definition part.  */
+  void (*write_definition_end) (struct trace_file_writer *self);
+
+  /* Write the data of trace buffer without parsing.  The content is
+     in BUF and length is LEN.  */
+  void (*write_trace_buffer) (struct trace_file_writer *self,
+			      gdb_byte *buf, LONGEST len);
+
+  /* Operations to write trace frames.  The user of this field is
+     responsible to parse the data of trace buffer.  Either field
+     'write_trace_buffer' or field ' frame_ops' is NULL.  */
+  const struct trace_frame_write_ops *frame_ops;
+
+  /* The end of writing trace buffers.  */
+  void (*end) (struct trace_file_writer *self);
+};
+
+/* Trace file writer for a given format.  */
+
+struct trace_file_writer
+{
+  const struct trace_file_write_ops *ops;
+};
+
+struct memrange
+{
+  /* memrange_absolute for absolute memory range, else basereg
+     number.  */
+  int type;
+  bfd_signed_vma start;
+  bfd_signed_vma end;
+};
+
+struct collection_list
+{
+  /* room for up to 256 regs */
+  unsigned char regs_mask[32];
+  long listsize;
+  long next_memrange;
+  struct memrange *list;
+
+  /* size of array pointed to by expr_list elt.  */
+  long aexpr_listsize;
+  long next_aexpr_elt;
+  struct agent_expr **aexpr_list;
+
+  /* True is the user requested a collection of "$_sdata", "static
+     tracepoint data".  */
+  int strace_data;
+
+  /* A set of names of wholly collected objects.  */
+  VEC(char_ptr) *wholly_collected;
+  /* A set of computed expressions.  */
+  VEC(char_ptr) *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 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);
+
+/* 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);
+struct cleanup *make_cleanup_restore_traceframe_number (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 struct cleanup *
+  encode_actions_and_make_cleanup (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,
@@ -210,20 +415,27 @@ extern int encode_source_string (int num, ULONGEST addr,
 
 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 struct uploaded_tsv *get_uploaded_tsv (int num,
+					      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 start_tracing (char *notes);
+extern void stop_tracing (char *notes);
 
 extern void trace_status_mi (int on_stop);
 
@@ -231,11 +443,21 @@ 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,
+		     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 */