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

   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         INTEL_PT_OP_VMENTRY,
  28         INTEL_PT_OP_ERETS,
  29         INTEL_PT_OP_ERETU,
  30 };
  31
  32 enum intel_pt_insn_branch {
  33         INTEL_PT_BR_NO_BRANCH,
  34         INTEL_PT_BR_INDIRECT,
  35         INTEL_PT_BR_CONDITIONAL,
  36         INTEL_PT_BR_UNCONDITIONAL,
  37 };
  38
  39 struct intel_pt_insn {
  40         enum intel_pt_insn_op           op;
  41         enum intel_pt_insn_branch       branch;
  42         bool                            emulated_ptwrite;
  43         int                             length;
  44         int32_t                         rel;
  45         unsigned char                   buf[INTEL_PT_INSN_BUF_SZ];
  46 };
  47
  48 int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
  49                       struct intel_pt_insn *intel_pt_insn);
  50
  51 const char *intel_pt_insn_name(enum intel_pt_insn_op op);
  52
  53 int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
  54                        size_t buf_len);
  55
  56 int intel_pt_insn_type(enum intel_pt_insn_op op);
  57
  58 #endif