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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* intel_pt_insn_decoder.h: Intel Processor Trace support
* Copyright (c) 2013-2014, Intel Corporation.
*/
#ifndef INCLUDE__INTEL_PT_INSN_DECODER_H__
#define INCLUDE__INTEL_PT_INSN_DECODER_H__
#include <stddef.h>
#include <stdint.h>
#define INTEL_PT_INSN_DESC_MAX 32
#define INTEL_PT_INSN_BUF_SZ 16
enum intel_pt_insn_op {
INTEL_PT_OP_OTHER,
INTEL_PT_OP_CALL,
INTEL_PT_OP_RET,
INTEL_PT_OP_JCC,
INTEL_PT_OP_JMP,
INTEL_PT_OP_LOOP,
INTEL_PT_OP_IRET,
INTEL_PT_OP_INT,
INTEL_PT_OP_SYSCALL,
INTEL_PT_OP_SYSRET,
INTEL_PT_OP_VMENTRY,
INTEL_PT_OP_ERETS,
INTEL_PT_OP_ERETU,
};
enum intel_pt_insn_branch {
INTEL_PT_BR_NO_BRANCH,
INTEL_PT_BR_INDIRECT,
INTEL_PT_BR_CONDITIONAL,
INTEL_PT_BR_UNCONDITIONAL,
};
struct intel_pt_insn {
enum intel_pt_insn_op op;
enum intel_pt_insn_branch branch;
bool emulated_ptwrite;
int length;
int32_t rel;
unsigned char buf[INTEL_PT_INSN_BUF_SZ];
};
int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
struct intel_pt_insn *intel_pt_insn);
const char *intel_pt_insn_name(enum intel_pt_insn_op op);
int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
size_t buf_len);
int intel_pt_insn_type(enum intel_pt_insn_op op);
#endif
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