18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */
28c2ecf20Sopenharmony_ci/*
38c2ecf20Sopenharmony_ci * intel_pt_insn_decoder.h: Intel Processor Trace support
48c2ecf20Sopenharmony_ci * Copyright (c) 2013-2014, Intel Corporation.
58c2ecf20Sopenharmony_ci */
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ci#ifndef INCLUDE__INTEL_PT_INSN_DECODER_H__
88c2ecf20Sopenharmony_ci#define INCLUDE__INTEL_PT_INSN_DECODER_H__
98c2ecf20Sopenharmony_ci
108c2ecf20Sopenharmony_ci#include <stddef.h>
118c2ecf20Sopenharmony_ci#include <stdint.h>
128c2ecf20Sopenharmony_ci
138c2ecf20Sopenharmony_ci#define INTEL_PT_INSN_DESC_MAX		32
148c2ecf20Sopenharmony_ci#define INTEL_PT_INSN_BUF_SZ		16
158c2ecf20Sopenharmony_ci
168c2ecf20Sopenharmony_cienum intel_pt_insn_op {
178c2ecf20Sopenharmony_ci	INTEL_PT_OP_OTHER,
188c2ecf20Sopenharmony_ci	INTEL_PT_OP_CALL,
198c2ecf20Sopenharmony_ci	INTEL_PT_OP_RET,
208c2ecf20Sopenharmony_ci	INTEL_PT_OP_JCC,
218c2ecf20Sopenharmony_ci	INTEL_PT_OP_JMP,
228c2ecf20Sopenharmony_ci	INTEL_PT_OP_LOOP,
238c2ecf20Sopenharmony_ci	INTEL_PT_OP_IRET,
248c2ecf20Sopenharmony_ci	INTEL_PT_OP_INT,
258c2ecf20Sopenharmony_ci	INTEL_PT_OP_SYSCALL,
268c2ecf20Sopenharmony_ci	INTEL_PT_OP_SYSRET,
278c2ecf20Sopenharmony_ci};
288c2ecf20Sopenharmony_ci
298c2ecf20Sopenharmony_cienum intel_pt_insn_branch {
308c2ecf20Sopenharmony_ci	INTEL_PT_BR_NO_BRANCH,
318c2ecf20Sopenharmony_ci	INTEL_PT_BR_INDIRECT,
328c2ecf20Sopenharmony_ci	INTEL_PT_BR_CONDITIONAL,
338c2ecf20Sopenharmony_ci	INTEL_PT_BR_UNCONDITIONAL,
348c2ecf20Sopenharmony_ci};
358c2ecf20Sopenharmony_ci
368c2ecf20Sopenharmony_cistruct intel_pt_insn {
378c2ecf20Sopenharmony_ci	enum intel_pt_insn_op		op;
388c2ecf20Sopenharmony_ci	enum intel_pt_insn_branch	branch;
398c2ecf20Sopenharmony_ci	int				length;
408c2ecf20Sopenharmony_ci	int32_t				rel;
418c2ecf20Sopenharmony_ci	unsigned char			buf[INTEL_PT_INSN_BUF_SZ];
428c2ecf20Sopenharmony_ci};
438c2ecf20Sopenharmony_ci
448c2ecf20Sopenharmony_ciint intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
458c2ecf20Sopenharmony_ci		      struct intel_pt_insn *intel_pt_insn);
468c2ecf20Sopenharmony_ci
478c2ecf20Sopenharmony_ciconst char *intel_pt_insn_name(enum intel_pt_insn_op op);
488c2ecf20Sopenharmony_ci
498c2ecf20Sopenharmony_ciint intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
508c2ecf20Sopenharmony_ci		       size_t buf_len);
518c2ecf20Sopenharmony_ci
528c2ecf20Sopenharmony_ciint intel_pt_insn_type(enum intel_pt_insn_op op);
538c2ecf20Sopenharmony_ci
548c2ecf20Sopenharmony_ci#endif
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