| /* |
| * Copyright (c) 2014-2020, 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_QUERY_DECODER_H |
| #define PT_QUERY_DECODER_H |
| |
| #include "pt_last_ip.h" |
| #include "pt_tnt_cache.h" |
| #include "pt_time.h" |
| #include "pt_event_queue.h" |
| |
| #include "intel-pt.h" |
| |
| struct pt_decoder_function; |
| |
| |
| /* An Intel PT query decoder. */ |
| struct pt_query_decoder { |
| /* The decoder configuration. */ |
| struct pt_config config; |
| |
| /* The current position in the trace buffer. */ |
| const uint8_t *pos; |
| |
| /* The position of the last PSB packet. */ |
| const uint8_t *sync; |
| |
| /* The decoding function for the next packet. */ |
| const struct pt_decoder_function *next; |
| |
| /* The last-ip. */ |
| struct pt_last_ip ip; |
| |
| /* The cached tnt indicators. */ |
| struct pt_tnt_cache tnt; |
| |
| /* Timing information. */ |
| struct pt_time time; |
| |
| /* The time at the last query (before reading ahead). */ |
| struct pt_time last_time; |
| |
| /* Timing calibration. */ |
| struct pt_time_cal tcal; |
| |
| /* Pending (incomplete) events. */ |
| struct pt_event_queue evq; |
| |
| /* The current event. */ |
| struct pt_event *event; |
| |
| /* A collection of flags relevant for decoding: |
| * |
| * - tracing is enabled. |
| */ |
| uint32_t enabled:1; |
| |
| /* - consume the current packet. */ |
| uint32_t consume_packet:1; |
| }; |
| |
| /* Initialize the query decoder. |
| * |
| * Returns zero on success, a negative error code otherwise. |
| */ |
| extern int pt_qry_decoder_init(struct pt_query_decoder *, |
| const struct pt_config *); |
| |
| /* Finalize the query decoder. */ |
| extern void pt_qry_decoder_fini(struct pt_query_decoder *); |
| |
| /* Decoder functions (tracing context). */ |
| extern int pt_qry_decode_unknown(struct pt_query_decoder *); |
| extern int pt_qry_decode_pad(struct pt_query_decoder *); |
| extern int pt_qry_decode_psb(struct pt_query_decoder *); |
| extern int pt_qry_decode_tip(struct pt_query_decoder *); |
| extern int pt_qry_decode_tnt_8(struct pt_query_decoder *); |
| extern int pt_qry_decode_tnt_64(struct pt_query_decoder *); |
| extern int pt_qry_decode_tip_pge(struct pt_query_decoder *); |
| extern int pt_qry_decode_tip_pgd(struct pt_query_decoder *); |
| extern int pt_qry_decode_fup(struct pt_query_decoder *); |
| extern int pt_qry_decode_pip(struct pt_query_decoder *); |
| extern int pt_qry_decode_ovf(struct pt_query_decoder *); |
| extern int pt_qry_decode_mode(struct pt_query_decoder *); |
| extern int pt_qry_decode_psbend(struct pt_query_decoder *); |
| extern int pt_qry_decode_tsc(struct pt_query_decoder *); |
| extern int pt_qry_header_tsc(struct pt_query_decoder *); |
| extern int pt_qry_decode_cbr(struct pt_query_decoder *); |
| extern int pt_qry_header_cbr(struct pt_query_decoder *); |
| extern int pt_qry_decode_tma(struct pt_query_decoder *); |
| extern int pt_qry_decode_mtc(struct pt_query_decoder *); |
| extern int pt_qry_decode_cyc(struct pt_query_decoder *); |
| extern int pt_qry_decode_stop(struct pt_query_decoder *); |
| extern int pt_qry_decode_vmcs(struct pt_query_decoder *); |
| extern int pt_qry_decode_mnt(struct pt_query_decoder *); |
| extern int pt_qry_decode_exstop(struct pt_query_decoder *); |
| extern int pt_qry_decode_mwait(struct pt_query_decoder *); |
| extern int pt_qry_decode_pwre(struct pt_query_decoder *); |
| extern int pt_qry_decode_pwrx(struct pt_query_decoder *); |
| extern int pt_qry_decode_ptw(struct pt_query_decoder *); |
| |
| /* Decoder functions (header context). */ |
| extern int pt_qry_header_fup(struct pt_query_decoder *); |
| extern int pt_qry_header_pip(struct pt_query_decoder *); |
| extern int pt_qry_header_mode(struct pt_query_decoder *); |
| extern int pt_qry_header_vmcs(struct pt_query_decoder *); |
| extern int pt_qry_header_mnt(struct pt_query_decoder *); |
| |
| #endif /* PT_QUERY_DECODER_H */ |