1 /* 2 * Copyright (c) 2014-2019, Intel Corporation 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * * Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * * Neither the name of Intel Corporation nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef PT_PACKET_DECODER_H 30 #define PT_PACKET_DECODER_H 31 32 #include "intel-pt.h" 33 34 35 /* An Intel PT packet decoder. */ 36 struct pt_packet_decoder { 37 /* The decoder configuration. */ 38 struct pt_config config; 39 40 /* The current position in the trace buffer. */ 41 const uint8_t *pos; 42 43 /* The position of the last PSB packet. */ 44 const uint8_t *sync; 45 }; 46 47 48 /* Initialize the packet decoder. 49 * 50 * Returns zero on success, a negative error code otherwise. 51 */ 52 extern int pt_pkt_decoder_init(struct pt_packet_decoder *, 53 const struct pt_config *); 54 55 /* Finalize the packet decoder. */ 56 extern void pt_pkt_decoder_fini(struct pt_packet_decoder *); 57 58 59 /* Decoder functions for the packet decoder. */ 60 extern int pt_pkt_decode_unknown(struct pt_packet_decoder *, 61 struct pt_packet *); 62 extern int pt_pkt_decode_pad(struct pt_packet_decoder *, struct pt_packet *); 63 extern int pt_pkt_decode_psb(struct pt_packet_decoder *, struct pt_packet *); 64 extern int pt_pkt_decode_tip(struct pt_packet_decoder *, struct pt_packet *); 65 extern int pt_pkt_decode_tnt_8(struct pt_packet_decoder *, struct pt_packet *); 66 extern int pt_pkt_decode_tnt_64(struct pt_packet_decoder *, 67 struct pt_packet *); 68 extern int pt_pkt_decode_tip_pge(struct pt_packet_decoder *, 69 struct pt_packet *); 70 extern int pt_pkt_decode_tip_pgd(struct pt_packet_decoder *, 71 struct pt_packet *); 72 extern int pt_pkt_decode_fup(struct pt_packet_decoder *, struct pt_packet *); 73 extern int pt_pkt_decode_pip(struct pt_packet_decoder *, struct pt_packet *); 74 extern int pt_pkt_decode_ovf(struct pt_packet_decoder *, struct pt_packet *); 75 extern int pt_pkt_decode_mode(struct pt_packet_decoder *, struct pt_packet *); 76 extern int pt_pkt_decode_psbend(struct pt_packet_decoder *, 77 struct pt_packet *); 78 extern int pt_pkt_decode_tsc(struct pt_packet_decoder *, struct pt_packet *); 79 extern int pt_pkt_decode_cbr(struct pt_packet_decoder *, struct pt_packet *); 80 extern int pt_pkt_decode_tma(struct pt_packet_decoder *, struct pt_packet *); 81 extern int pt_pkt_decode_mtc(struct pt_packet_decoder *, struct pt_packet *); 82 extern int pt_pkt_decode_cyc(struct pt_packet_decoder *, struct pt_packet *); 83 extern int pt_pkt_decode_stop(struct pt_packet_decoder *, struct pt_packet *); 84 extern int pt_pkt_decode_vmcs(struct pt_packet_decoder *, struct pt_packet *); 85 extern int pt_pkt_decode_mnt(struct pt_packet_decoder *, struct pt_packet *); 86 extern int pt_pkt_decode_exstop(struct pt_packet_decoder *, struct pt_packet *); 87 extern int pt_pkt_decode_mwait(struct pt_packet_decoder *, struct pt_packet *); 88 extern int pt_pkt_decode_pwre(struct pt_packet_decoder *, struct pt_packet *); 89 extern int pt_pkt_decode_pwrx(struct pt_packet_decoder *, struct pt_packet *); 90 extern int pt_pkt_decode_ptw(struct pt_packet_decoder *, struct pt_packet *); 91 92 #endif /* PT_PACKET_DECODER_H */ 93