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 59