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