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