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(bool dump_log_on_error, unsigned int log_on_error_size); 18 void intel_pt_log_disable(void); 19 void intel_pt_log_set_name(const char *name); 20 void intel_pt_log_dump_buf(void); 21 22 void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len, 23 uint64_t pos, const unsigned char *buf); 24 25 struct intel_pt_insn; 26 27 void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip); 28 void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn, 29 uint64_t ip); 30 31 void __intel_pt_log(const char *fmt, ...) __printf(1, 2); 32 33 #define intel_pt_log(fmt, ...) \ 34 do { \ 35 if (intel_pt_enable_logging) \ 36 __intel_pt_log(fmt, ##__VA_ARGS__); \ 37 } while (0) 38 39 #define intel_pt_log_packet(arg, ...) \ 40 do { \ 41 if (intel_pt_enable_logging) \ 42 __intel_pt_log_packet(arg, ##__VA_ARGS__); \ 43 } while (0) 44 45 #define intel_pt_log_insn(arg, ...) \ 46 do { \ 47 if (intel_pt_enable_logging) \ 48 __intel_pt_log_insn(arg, ##__VA_ARGS__); \ 49 } while (0) 50 51 #define intel_pt_log_insn_no_data(arg, ...) \ 52 do { \ 53 if (intel_pt_enable_logging) \ 54 __intel_pt_log_insn_no_data(arg, ##__VA_ARGS__); \ 55 } while (0) 56 57 #define x64_fmt "0x%" PRIx64 58 59 extern bool intel_pt_enable_logging; 60 61 static inline void intel_pt_log_at(const char *msg, uint64_t u) 62 { 63 intel_pt_log("%s at " x64_fmt "\n", msg, u); 64 } 65 66 static inline void intel_pt_log_to(const char *msg, uint64_t u) 67 { 68 intel_pt_log("%s to " x64_fmt "\n", msg, u); 69 } 70 71 #define intel_pt_log_var(var, fmt) intel_pt_log("%s: " #var " " fmt "\n", __func__, var) 72 73 #define intel_pt_log_x32(var) intel_pt_log_var(var, "%#x") 74 #define intel_pt_log_x64(var) intel_pt_log_var(var, "%#" PRIx64) 75 76 #endif 77