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/* ppaml/tracer/internal.h -- definitions of abstract types
* Copyright (C) 2013 Galois, Inc.
*
* This library is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this library. If not, see <http://www.gnu.org/licenses/>.
*
* To contact Galois, complete the Web form at
* <http://corp.galois.com/contact/> or write to Galois, Inc., 421 Southwest
* 6th Avenue, Suite 300, Portland, Oregon, 97204-1622. */
/**
* @file internal.h
* Definitions of abstract types.
*
* @warning Do not include this file directly. Instead, include @ref
* ppaml/tracer.h.
*
* This file contains the implementations of abstract types which, for
* efficiency reasons, are exposed to the user.
*/
/* THIS FILE SHOULD NOT BE #INCLUDED DIRECTLY. Instead, #include
* <ppaml/tracer.h>. */
#ifndef PPAML_TRACER_INTERNAL_H
#define PPAML_TRACER_INTERNAL_H
#include <stddef.h>
#include <stdint.h>
#include <otf.h>
/**
* @struct ppaml_tracer_t ppaml/tracer/internal.h ppaml/tracer.h
* Tracer state bundle.
*
* ppamltracer is fundamentally a set of stateful operations; this struct holds
* the state ppamltracer needs to operate properly.
*
* To increase flexibility, ppamltracer users may allocate instances of this
* struct on the stack or heap.
*
* Newly-allocated instances of ppaml_tracer_t are invalid and must be
* initialized using @ref ppaml_tracer_init before they can be used. Once a
* ppaml_tracer_t is no longer required, it must be finalized using @ref
* ppaml_tracer_done.
*/
typedef struct {
/// @private The underlying Open Trace Format file manager.
OTF_FileManager *manager;
/// @private The underlying Open Trace Format output subsystem.
OTF_Writer *writer;
} ppaml_tracer_t;
/**
* `sizeof(`@ref ppaml_tracer_t`)`.
*
* @warning This constant is intended for interfacing with other languages. It
* is not part of the stable ppamltracer C API. Use
* `sizeof(`@ref ppaml_tracer_t`)` instead.
*/
const size_t ppaml_tracer_t_size;
/**
* @struct ppaml_phase_t ppaml/tracer/internal.h ppaml/tracer.h
* A phase of execution to trace.
*
* A ppaml_phase_t represents a phase of execution about which the user wishes
* to gather timing statistics.
*
* To increase flexibility, ppamltracer users may allocate instances of this
* struct on the stack or heap.
*
* Newly-allocated instances of ppaml_phase_t are invalid and must be
* initialized using @ref ppaml_phase_init before they can be used. Once a
* ppaml_phase_t is no longer required, it must be finalized using @ref
* ppaml_phase_done.
*/
typedef struct {
/// @private The associated ppaml_tracer_t.
ppaml_tracer_t *tracer;
/**
* @private
* The Open Trace Format identifier for this phase.
*
* Phases are isomorphic to functions as understood by the Open Trace
* Format libraries; thus, this is a "function identifier".
*/
uint32_t otf_function_id;
} ppaml_phase_t;
/**
* `sizeof(`@ref ppaml_phase_t`)`.
*
* @warning This constant is intended for interfacing with other languages. It
* is not part of the stable ppamltracer C API. Use
* `sizeof(`@ref ppaml_phase_t`)` instead.
*/
const size_t ppaml_phase_t_size;
#endif
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