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usr / src / contrib / processor-trace / libipt / internal / include /

📁 ..
📁 posix
📄 pt_asid.h(2.86 KB)
📄 pt_block_cache.h(7 KB)
📄 pt_block_decoder.h(4.3 KB)
📄 pt_config.h(3.2 KB)
📄 pt_cpu.h(2.24 KB)
📄 pt_cpuid.h(1.82 KB)
📄 pt_decoder_function.h(4.87 KB)
📄 pt_encoder.h(4.48 KB)
📄 pt_event_queue.h(4.46 KB)
📄 pt_ild.h(3.86 KB)
📄 pt_image.h(4.8 KB)
📄 pt_image_section_cache.h(7.3 KB)
📄 pt_insn.h(6.54 KB)
📄 pt_insn_decoder.h(4.09 KB)
📄 pt_last_ip.h(2.78 KB)
📄 pt_mapped_section.h(5.21 KB)
📄 pt_msec_cache.h(3.42 KB)
📄 pt_opcodes.h(11.53 KB)
📄 pt_packet.h(4.96 KB)
📄 pt_packet_decoder.h(4.26 KB)
📄 pt_query_decoder.h(4.91 KB)
📄 pt_retstack.h(3.03 KB)
📄 pt_section.h(12.99 KB)
📄 pt_section_file.h(3.81 KB)
📄 pt_sync.h(2.91 KB)
📄 pt_time.h(7.54 KB)
📄 pt_tnt_cache.h(3.11 KB)
📄 pti-disp-defs.h(1.97 KB)
📄 pti-disp.h(19.94 KB)
📄 pti-disp_default.h(4.46 KB)
📄 pti-imm-defs.h(2.29 KB)
📄 pti-imm.h(22.4 KB)
📄 pti-modrm-defs.h(1.71 KB)
📄 pti-modrm.h(17.85 KB)
📄 pti-sib.h(4.43 KB)
📁 windows

Editing: pt_tnt_cache.h

/*
 * Copyright (c) 2013-2019, Intel Corporation
 *
 * 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_TNT_CACHE_H
#define PT_TNT_CACHE_H

#include <stdint.h>

struct pt_packet_tnt;
struct pt_config;

/* Keeping track of tnt indicators. */
struct pt_tnt_cache {
	/* The last tnt. */
	uint64_t tnt;

/* The index into the above tnt.
	 *
	 * (tnt & index) gives the current tnt entry.
	 * (index >>= 1) moves the index to the next tnt entry.
	 * (index == 0) means that the current tnt is empty.
	 */
	uint64_t index;
};

/* Initialize (or reset) the tnt cache. */
extern void pt_tnt_cache_init(struct pt_tnt_cache *cache);

/* Check if the tnt cache is empty.
 *
 * Returns 0 if the tnt cache is not empty.
 * Returns > 0 if the tnt cache is empty.
 * Returns -pte_invalid if @cache is NULL.
 */
extern int pt_tnt_cache_is_empty(const struct pt_tnt_cache *cache);

/* Query the next tnt indicator.
 *
 * This consumes the returned tnt indicator in the cache.
 *
 * Returns 0 if the next branch is not taken.
 * Returns > 0 if the next branch is taken.
 * Returns -pte_invalid if @cache is NULL.
 * Returns -pte_bad_query if there is no tnt cached.
 */
extern int pt_tnt_cache_query(struct pt_tnt_cache *cache);

/* Update the tnt cache based on Intel PT packets.
 *
 * Updates @cache based on @packet and, if non-null, @config.
 *
 * Returns zero on success.
 * Returns -pte_invalid if @cache or @packet is NULL.
 * Returns -pte_bad_packet if @packet appears to be corrupted.
 * Returns -pte_bad_context if the tnt cache is not empty.
 */
extern int pt_tnt_cache_update_tnt(struct pt_tnt_cache *cache,
				   const struct pt_packet_tnt *packet,
				   const struct pt_config *config);

#endif /* PT_TNT_CACHE_H */

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Editing: pt_tnt_cache.h

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