1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * intel_pt_log.h: Intel Processor Trace support 4 * Copyright (c) 2013-2014, Intel Corporation. 5 */ 6 7 #ifndef INCLUDE__INTEL_PT_LOG_H__ 8 #define INCLUDE__INTEL_PT_LOG_H__ 9 10 #include <linux/compiler.h> 11 #include <stdint.h> 12 #include <inttypes.h> 13 14 struct intel_pt_pkt; 15 16 void *intel_pt_log_fp(void); 17 void intel_pt_log_enable(void); 18 void intel_pt_log_disable(void); 19 void intel_pt_log_set_name(const char *name); 20 21 void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len, 22 uint64_t pos, const unsigned char *buf); 23 24 struct intel_pt_insn; 25 26 void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip); 27 void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn, 28 uint64_t ip); 29 30 void __intel_pt_log(const char *fmt, ...) __printf(1, 2); 31 32 #define intel_pt_log(fmt, ...) \ 33 do { \ 34 if (intel_pt_enable_logging) \ 35 __intel_pt_log(fmt, ##__VA_ARGS__); \ 36 } while (0) 37 38 #define intel_pt_log_packet(arg, ...) \ 39 do { \ 40 if (intel_pt_enable_logging) \ 41 __intel_pt_log_packet(arg, ##__VA_ARGS__); \ 42 } while (0) 43 44 #define intel_pt_log_insn(arg, ...) \ 45 do { \ 46 if (intel_pt_enable_logging) \ 47 __intel_pt_log_insn(arg, ##__VA_ARGS__); \ 48 } while (0) 49 50 #define intel_pt_log_insn_no_data(arg, ...) \ 51 do { \ 52 if (intel_pt_enable_logging) \ 53 __intel_pt_log_insn_no_data(arg, ##__VA_ARGS__); \ 54 } while (0) 55 56 #define x64_fmt "0x%" PRIx64 57 58 extern bool intel_pt_enable_logging; 59 60 static inline void intel_pt_log_at(const char *msg, uint64_t u) 61 { 62 intel_pt_log("%s at " x64_fmt "\n", msg, u); 63 } 64 65 static inline void intel_pt_log_to(const char *msg, uint64_t u) 66 { 67 intel_pt_log("%s to " x64_fmt "\n", msg, u); 68 } 69 70 #define intel_pt_log_var(var, fmt) intel_pt_log("%s: " #var " " fmt "\n", __func__, var) 71 72 #define intel_pt_log_x32(var) intel_pt_log_var(var, "%#x") 73 #define intel_pt_log_x64(var) intel_pt_log_var(var, "%#" PRIx64) 74 75 #endif 76