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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [tracepoint.h] - Blame information for rev 227

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1 227 jeremybenn
/* Data structures associated with tracepoints in GDB.
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   Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010
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   Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#if !defined (TRACEPOINT_H)
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#define TRACEPOINT_H 1
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/* The data structure for an action: */
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struct action_line
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  {
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    struct action_line *next;
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    char *action;
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  };
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enum actionline_type
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  {
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    BADLINE = -1,
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    GENERIC = 0,
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    END = 1,
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    STEPPING = 2
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  };
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/* A trace state variable is a value managed by a target being
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   traced. A trace state variable (or tsv for short) can be accessed
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   and assigned to by tracepoint actions and conditionals, but is not
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   part of the program being traced, and it doesn't have to be
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   collected. Effectively the variables are scratch space for
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   tracepoints.  */
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struct trace_state_variable
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  {
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    /* The variable's name.  The user has to prefix with a dollar sign,
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       but we don't store that internally.  */
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    const char *name;
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    /* An id number assigned by GDB, and transmitted to targets.  */
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    int number;
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    /* The initial value of a variable is a 64-bit signed integer.  */
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    LONGEST initial_value;
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    /* 1 if the value is known, else 0.  The value is known during a
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       trace run, or in tfind mode if the variable was collected into
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       the current trace frame.  */
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    int value_known;
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    /* The value of a variable is a 64-bit signed integer.  */
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    LONGEST value;
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    /* This is true for variables that are predefined and built into
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       the target.  */
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    int builtin;
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   };
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/* The trace status encompasses various info about the general state
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   of the tracing run.  */
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enum trace_stop_reason
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  {
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    trace_stop_reason_unknown,
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    trace_never_run,
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    tstop_command,
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    trace_buffer_full,
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    trace_disconnected,
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    tracepoint_passcount
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  };
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struct trace_status
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{
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  /* This is true if the status is coming from a file rather
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     than a live target.  */
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  int from_file;
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  /* This is true if the value of the running field is known.  */
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  int running_known;
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  int running;
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  enum trace_stop_reason stop_reason;
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  int stopping_tracepoint;
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  int traceframe_count;
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  unsigned long long buffer_size;
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  unsigned long long buffer_free;
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};
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struct trace_status *current_trace_status (void);
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extern char *default_collect;
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/* Struct to collect random info about tracepoints on the target.  */
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struct uploaded_tp {
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  int number;
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  enum bptype type;
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  ULONGEST addr;
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  int enabled;
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  int step;
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  int pass;
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  int orig_size;
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  char *cond;
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  int numactions;
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  char *actions[100];
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  int num_step_actions;
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  char *step_actions[100];
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  struct uploaded_tp *next;
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};
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/* Struct recording info about trace state variables on the target.  */
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struct uploaded_tsv {
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  const char *name;
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  int number;
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  LONGEST initial_value;
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  int builtin;
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  struct uploaded_tsv *next;
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};
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/* A hook used to notify the UI of tracepoint operations.  */
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extern void (*deprecated_trace_find_hook) (char *arg, int from_tty);
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extern void (*deprecated_trace_start_stop_hook) (int start, int from_tty);
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int get_traceframe_number (void);
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void set_traceframe_number (int);
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struct cleanup *make_cleanup_restore_current_traceframe (void);
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void free_actions (struct breakpoint *);
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enum actionline_type validate_actionline (char **, struct breakpoint *);
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extern void end_actions_pseudocommand (char *args, int from_tty);
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extern void while_stepping_pseudocommand (char *args, int from_tty);
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extern struct trace_state_variable *find_trace_state_variable (const char *name);
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extern void parse_trace_status (char *line, struct trace_status *ts);
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extern void parse_tracepoint_definition (char *line, struct uploaded_tp **utpp);
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extern void parse_tsv_definition (char *line, struct uploaded_tsv **utsvp);
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extern struct uploaded_tp *get_uploaded_tp (int num, ULONGEST addr,
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                                            struct uploaded_tp **utpp);
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extern struct breakpoint *create_tracepoint_from_upload (struct uploaded_tp *utp);
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extern void merge_uploaded_tracepoints (struct uploaded_tp **utpp);
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extern void merge_uploaded_trace_state_variables (struct uploaded_tsv **utsvp);
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#endif  /* TRACEPOINT_H */

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