Quelle  intel-pt-insn-decoder.h   Sprache: C

/* 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