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Diffstat (limited to 'libipt/internal/include/pt_packet_decoder.h')
| -rw-r--r-- | libipt/internal/include/pt_packet_decoder.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/libipt/internal/include/pt_packet_decoder.h b/libipt/internal/include/pt_packet_decoder.h new file mode 100644 index 000000000000..0ea30db13386 --- /dev/null +++ b/libipt/internal/include/pt_packet_decoder.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2014-2019, 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_PACKET_DECODER_H +#define PT_PACKET_DECODER_H + +#include "intel-pt.h" + + +/* An Intel PT packet decoder. */ +struct pt_packet_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; +}; + + +/* Initialize the packet decoder. + * + * Returns zero on success, a negative error code otherwise. + */ +extern int pt_pkt_decoder_init(struct pt_packet_decoder *, + const struct pt_config *); + +/* Finalize the packet decoder. */ +extern void pt_pkt_decoder_fini(struct pt_packet_decoder *); + + +/* Decoder functions for the packet decoder. */ +extern int pt_pkt_decode_unknown(struct pt_packet_decoder *, + struct pt_packet *); +extern int pt_pkt_decode_pad(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_psb(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_tip(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_tnt_8(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_tnt_64(struct pt_packet_decoder *, + struct pt_packet *); +extern int pt_pkt_decode_tip_pge(struct pt_packet_decoder *, + struct pt_packet *); +extern int pt_pkt_decode_tip_pgd(struct pt_packet_decoder *, + struct pt_packet *); +extern int pt_pkt_decode_fup(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_pip(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_ovf(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_mode(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_psbend(struct pt_packet_decoder *, + struct pt_packet *); +extern int pt_pkt_decode_tsc(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_cbr(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_tma(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_mtc(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_cyc(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_stop(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_vmcs(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_mnt(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_exstop(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_mwait(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_pwre(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_pwrx(struct pt_packet_decoder *, struct pt_packet *); +extern int pt_pkt_decode_ptw(struct pt_packet_decoder *, struct pt_packet *); + +#endif /* PT_PACKET_DECODER_H */ |