/* Data structures associated with tracepoints in GDB.
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/* 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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Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of GDB.
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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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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (TRACEPOINT_H)
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#if !defined (TRACEPOINT_H)
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#define TRACEPOINT_H 1
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#define TRACEPOINT_H 1
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/* The data structure for an action: */
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/* The data structure for an action: */
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struct action_line
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struct action_line
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{
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{
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struct action_line *next;
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struct action_line *next;
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char *action;
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char *action;
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};
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};
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enum actionline_type
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enum actionline_type
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{
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{
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BADLINE = -1,
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BADLINE = -1,
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GENERIC = 0,
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GENERIC = 0,
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END = 1,
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END = 1,
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STEPPING = 2
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STEPPING = 2
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};
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};
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/* A trace state variable is a value managed by a target being
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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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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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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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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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collected. Effectively the variables are scratch space for
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tracepoints. */
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tracepoints. */
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struct trace_state_variable
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struct trace_state_variable
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{
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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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/* 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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but we don't store that internally. */
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const char *name;
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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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/* An id number assigned by GDB, and transmitted to targets. */
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int number;
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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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/* The initial value of a variable is a 64-bit signed integer. */
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LONGEST initial_value;
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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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/* 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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trace run, or in tfind mode if the variable was collected into
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the current trace frame. */
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the current trace frame. */
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int value_known;
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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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/* The value of a variable is a 64-bit signed integer. */
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LONGEST value;
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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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/* This is true for variables that are predefined and built into
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the target. */
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the target. */
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int builtin;
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int builtin;
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};
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};
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/* The trace status encompasses various info about the general state
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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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of the tracing run. */
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enum trace_stop_reason
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enum trace_stop_reason
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{
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{
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trace_stop_reason_unknown,
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trace_stop_reason_unknown,
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trace_never_run,
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trace_never_run,
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tstop_command,
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tstop_command,
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trace_buffer_full,
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trace_buffer_full,
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trace_disconnected,
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trace_disconnected,
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tracepoint_passcount
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tracepoint_passcount
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};
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};
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struct trace_status
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struct trace_status
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{
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{
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/* This is true if the status is coming from a file rather
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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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than a live target. */
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int from_file;
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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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/* 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_known;
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int running;
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int running;
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enum trace_stop_reason stop_reason;
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enum trace_stop_reason stop_reason;
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int stopping_tracepoint;
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int stopping_tracepoint;
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int traceframe_count;
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int traceframe_count;
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unsigned long long buffer_size;
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unsigned long long buffer_size;
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unsigned long long buffer_free;
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unsigned long long buffer_free;
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};
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};
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struct trace_status *current_trace_status (void);
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struct trace_status *current_trace_status (void);
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extern char *default_collect;
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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 to collect random info about tracepoints on the target. */
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struct uploaded_tp {
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struct uploaded_tp {
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int number;
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int number;
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enum bptype type;
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enum bptype type;
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ULONGEST addr;
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ULONGEST addr;
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int enabled;
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int enabled;
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int step;
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int step;
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int pass;
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int pass;
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int orig_size;
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int orig_size;
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char *cond;
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char *cond;
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int numactions;
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int numactions;
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char *actions[100];
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char *actions[100];
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int num_step_actions;
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int num_step_actions;
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char *step_actions[100];
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char *step_actions[100];
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struct uploaded_tp *next;
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struct uploaded_tp *next;
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};
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};
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/* Struct recording info about trace state variables on the target. */
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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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struct uploaded_tsv {
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const char *name;
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const char *name;
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int number;
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int number;
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LONGEST initial_value;
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LONGEST initial_value;
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int builtin;
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int builtin;
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struct uploaded_tsv *next;
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struct uploaded_tsv *next;
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};
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};
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/* A hook used to notify the UI of tracepoint operations. */
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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_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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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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int get_traceframe_number (void);
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void set_traceframe_number (int);
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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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struct cleanup *make_cleanup_restore_current_traceframe (void);
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void free_actions (struct breakpoint *);
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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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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 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 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 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_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_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 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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extern struct uploaded_tp *get_uploaded_tp (int num, ULONGEST addr,
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struct uploaded_tp **utpp);
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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 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_tracepoints (struct uploaded_tp **utpp);
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extern void merge_uploaded_trace_state_variables (struct uploaded_tsv **utsvp);
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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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#endif /* TRACEPOINT_H */
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