| /* |
| * Copyright (c) 2014-2015, 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_ENCODER_H__ |
| #define __PT_ENCODER_H__ |
| |
| #include "intel-pt.h" |
| |
| |
| /* An Intel PT packet encoder. */ |
| struct pt_encoder { |
| /* The encoder configuration. */ |
| struct pt_config config; |
| |
| /** The current position in the trace buffer. */ |
| uint8_t *pos; |
| }; |
| |
| |
| /* Initialize the packet encoder. |
| * |
| * Returns zero on success, a negative error code otherwise. |
| */ |
| extern int pt_encoder_init(struct pt_encoder *, const struct pt_config *); |
| |
| /* Finalize the packet encoder. */ |
| extern void pt_encoder_fini(struct pt_encoder *); |
| |
| |
| /* The below functions are convenience wrappers around pt_enc_next(). */ |
| |
| /* Encode a Padding (pad) packet. */ |
| extern int pt_encode_pad(struct pt_encoder *); |
| |
| /* Encode a Packet Stream Boundary (psb) packet. */ |
| extern int pt_encode_psb(struct pt_encoder *); |
| |
| /* Encode an End PSB (psbend) packet. */ |
| extern int pt_encode_psbend(struct pt_encoder *); |
| |
| /* Encode a Target Instruction Pointer (tip) packet. */ |
| extern int pt_encode_tip(struct pt_encoder *, uint64_t ip, |
| enum pt_ip_compression ipc); |
| |
| /* Encode a Taken Not Taken (tnt) packet - 8-bit version. */ |
| extern int pt_encode_tnt_8(struct pt_encoder *, uint8_t tnt, int size); |
| |
| /* Encode a Taken Not Taken (tnt) packet - 64-bit version. */ |
| extern int pt_encode_tnt_64(struct pt_encoder *, uint64_t tnt, int size); |
| |
| /* Encode a Packet Generation Enable (tip.pge) packet. */ |
| extern int pt_encode_tip_pge(struct pt_encoder *, uint64_t ip, |
| enum pt_ip_compression ipc); |
| |
| /* Encode a Packet Generation Disable (tip.pgd) packet. */ |
| extern int pt_encode_tip_pgd(struct pt_encoder *, uint64_t ip, |
| enum pt_ip_compression ipc); |
| |
| /* Encode a Flow Update Packet (fup). */ |
| extern int pt_encode_fup(struct pt_encoder *, uint64_t ip, |
| enum pt_ip_compression ipc); |
| |
| /* Encode a Paging Information Packet (pip). */ |
| extern int pt_encode_pip(struct pt_encoder *, uint64_t cr3, uint8_t flags); |
| |
| /* Encode a Overflow Packet (ovf). */ |
| extern int pt_encode_ovf(struct pt_encoder *); |
| |
| /* Encode a Mode Exec Packet (mode.exec). */ |
| extern int pt_encode_mode_exec(struct pt_encoder *, enum pt_exec_mode); |
| |
| /* Encode a Mode Tsx Packet (mode.tsx). */ |
| extern int pt_encode_mode_tsx(struct pt_encoder *, uint8_t); |
| |
| /* Encode a Time Stamp Counter (tsc) packet. */ |
| extern int pt_encode_tsc(struct pt_encoder *, uint64_t); |
| |
| /* Encode a Core Bus Ratio (cbr) packet. */ |
| extern int pt_encode_cbr(struct pt_encoder *, uint8_t); |
| |
| /* Encode a TSC/MTC Alignment (tma) packet. */ |
| extern int pt_encode_tma(struct pt_encoder *, uint16_t ctc, |
| uint16_t fc); |
| |
| /* Encode a Mini Time Counter (mtc) packet. */ |
| extern int pt_encode_mtc(struct pt_encoder *, uint8_t ctc); |
| |
| /* Encode a Cycle Count (cyc) packet. */ |
| extern int pt_encode_cyc(struct pt_encoder *, uint32_t cyc); |
| |
| /* Encode a TraceStop Packet (stop). */ |
| extern int pt_encode_stop(struct pt_encoder *); |
| |
| /* Encode a VMCS packet. */ |
| extern int pt_encode_vmcs(struct pt_encoder *, uint64_t); |
| |
| /* Encode a Maintenance (mnt) packet. */ |
| extern int pt_encode_mnt(struct pt_encoder *, uint64_t); |
| |
| #endif /* __PT_ENCODER_H__ */ |