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/*
* Copyright (c) 2017-2025, Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PT_SB_DECODER_H
#define PT_SB_DECODER_H
#include <stdio.h>
/* An Intel PT sideband decoder. */
struct pt_sb_decoder {
/* The next Intel PT sideband decoder in a linear list of Intel PT
* sideband decoders ordered by @tsc (ascending).
*/
struct pt_sb_decoder *next;
/* The timestamp of the next sideband record. */
uint64_t tsc;
/* Decoder functions provided by the decoder supplier:
*
* - fetch the next sideband record.
*/
int (*fetch)(struct pt_sb_session *session, uint64_t *tsc, void *priv);
/* - apply the current sideband record. */
int (*apply)(struct pt_sb_session *session, struct pt_image **image,
const struct pt_event *event, void *priv);
/* - print the current sideband record. */
int (*print)(struct pt_sb_session *session, FILE *stream,
uint32_t flags, void *priv);
/* - destroy the decoder's private data. */
void (*dtor)(void *priv);
/* Decoder-specific private data. */
void *priv;
/* A flag saying whether this is a primary or secondary decoder. */
uint32_t primary:1;
};
#endif /* PT_SB_DECODER_H */
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