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Linux/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h

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  1 /* SPDX-License-Identifier: GPL-2.0-only */
  2 /*
  3  * intel_pt_insn_decoder.h: Intel Processor Trace support
  4  * Copyright (c) 2013-2014, Intel Corporation.
  5  */
  6 
  7 #ifndef INCLUDE__INTEL_PT_INSN_DECODER_H__
  8 #define INCLUDE__INTEL_PT_INSN_DECODER_H__
  9 
 10 #include <stddef.h>
 11 #include <stdint.h>
 12 
 13 #define INTEL_PT_INSN_DESC_MAX          32
 14 #define INTEL_PT_INSN_BUF_SZ            16
 15 
 16 enum intel_pt_insn_op {
 17         INTEL_PT_OP_OTHER,
 18         INTEL_PT_OP_CALL,
 19         INTEL_PT_OP_RET,
 20         INTEL_PT_OP_JCC,
 21         INTEL_PT_OP_JMP,
 22         INTEL_PT_OP_LOOP,
 23         INTEL_PT_OP_IRET,
 24         INTEL_PT_OP_INT,
 25         INTEL_PT_OP_SYSCALL,
 26         INTEL_PT_OP_SYSRET,
 27 };
 28 
 29 enum intel_pt_insn_branch {
 30         INTEL_PT_BR_NO_BRANCH,
 31         INTEL_PT_BR_INDIRECT,
 32         INTEL_PT_BR_CONDITIONAL,
 33         INTEL_PT_BR_UNCONDITIONAL,
 34 };
 35 
 36 struct intel_pt_insn {
 37         enum intel_pt_insn_op           op;
 38         enum intel_pt_insn_branch       branch;
 39         int                             length;
 40         int32_t                         rel;
 41         unsigned char                   buf[INTEL_PT_INSN_BUF_SZ];
 42 };
 43 
 44 int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
 45                       struct intel_pt_insn *intel_pt_insn);
 46 
 47 const char *intel_pt_insn_name(enum intel_pt_insn_op op);
 48 
 49 int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
 50                        size_t buf_len);
 51 
 52 int intel_pt_insn_type(enum intel_pt_insn_op op);
 53 
 54 #endif
 55 

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