1 /* Copyright (C) 2006-2007 The Android Open Source Project 2 ** 3 ** This software is licensed under the terms of the GNU General Public 4 ** License version 2, as published by the Free Software Foundation, and 5 ** may be copied, distributed, and modified under those terms. 6 ** 7 ** This program is distributed in the hope that it will be useful, 8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 ** GNU General Public License for more details. 11 */ 12 13 #ifndef TRACE_H 14 #define TRACE_H 15 16 #include <inttypes.h> 17 #include "trace_common.h" 18 19 extern uint64_t start_time, end_time; 20 extern uint64_t elapsed_usecs; 21 extern uint64 Now(); 22 23 struct TranslationBlock; 24 25 // For tracing dynamic execution of basic blocks 26 typedef struct TraceBB { 27 char *filename; 28 FILE *fstream; 29 BBRec buffer[kMaxNumBasicBlocks]; 30 BBRec *next; // points to next record in buffer 31 uint64_t flush_time; // time of last buffer flush 32 char compressed[kCompressedSize]; 33 char *compressed_ptr; 34 char *high_water_ptr; 35 int64_t prev_bb_num; 36 uint64_t prev_bb_time; 37 uint64_t current_bb_num; 38 uint64_t current_bb_start_time; 39 uint64_t recnum; // counts number of trace records 40 uint32_t current_bb_addr; 41 int num_insns; 42 } TraceBB; 43 44 // For tracing simuation start times of instructions 45 typedef struct TraceInsn { 46 char *filename; 47 FILE *fstream; 48 InsnRec dummy; // this is here so we can use buffer[-1] 49 InsnRec buffer[kInsnBufferSize]; 50 InsnRec *current; 51 uint64_t prev_time; // time of last instruction start 52 char compressed[kCompressedSize]; 53 char *compressed_ptr; 54 char *high_water_ptr; 55 } TraceInsn; 56 57 // For tracing the static information about a basic block 58 typedef struct TraceStatic { 59 char *filename; 60 FILE *fstream; 61 uint32_t insns[kMaxInsnPerBB]; 62 int next_insn; 63 uint64_t bb_num; 64 uint32_t bb_addr; 65 int is_thumb; 66 } TraceStatic; 67 68 // For tracing load and store addresses 69 typedef struct TraceAddr { 70 char *filename; 71 FILE *fstream; 72 AddrRec buffer[kMaxNumAddrs]; 73 AddrRec *next; 74 char compressed[kCompressedSize]; 75 char *compressed_ptr; 76 char *high_water_ptr; 77 uint32_t prev_addr; 78 uint64_t prev_time; 79 } TraceAddr; 80 81 // For tracing exceptions 82 typedef struct TraceExc { 83 char *filename; 84 FILE *fstream; 85 char compressed[kCompressedSize]; 86 char *compressed_ptr; 87 char *high_water_ptr; 88 uint64_t prev_time; 89 uint64_t prev_bb_recnum; 90 } TraceExc; 91 92 // For tracing process id changes 93 typedef struct TracePid { 94 char *filename; 95 FILE *fstream; 96 char compressed[kCompressedSize]; 97 char *compressed_ptr; 98 uint64_t prev_time; 99 } TracePid; 100 101 // For tracing Dalvik VM method enter and exit 102 typedef struct TraceMethod { 103 char *filename; 104 FILE *fstream; 105 char compressed[kCompressedSize]; 106 char *compressed_ptr; 107 uint64_t prev_time; 108 uint32_t prev_addr; 109 int32_t prev_pid; 110 } TraceMethod; 111 112 extern TraceBB trace_bb; 113 extern TraceInsn trace_insn; 114 extern TraceStatic trace_static; 115 extern TraceAddr trace_load; 116 extern TraceAddr trace_store; 117 extern TraceExc trace_exc; 118 extern TracePid trace_pid; 119 extern TraceMethod trace_method; 120 121 // The simulated time, in clock ticks, starting with one. 122 extern uint64_t sim_time; 123 124 // This variable == 1 if we are currently tracing, otherwise == 0. 125 extern int tracing; 126 extern int trace_all_addr; 127 extern int trace_cache_miss; 128 129 extern void start_tracing(); 130 extern void stop_tracing(); 131 extern void trace_init(const char *filename); 132 extern void trace_bb_start(uint32_t bb_addr); 133 extern void trace_add_insn(uint32_t insn, int is_thumb); 134 extern void trace_bb_end(); 135 136 extern int get_insn_ticks_arm(uint32_t insn); 137 extern int get_insn_ticks_thumb(uint32_t insn); 138 139 extern void trace_exception(uint32 pc); 140 extern void trace_bb_helper(uint64_t bb_num, TranslationBlock *tb); 141 extern void trace_insn_helper(); 142 extern void sim_dcache_load(uint32_t addr); 143 extern void sim_dcache_store(uint32_t addr, uint32_t val); 144 extern void sim_dcache_swp(uint32_t addr); 145 extern void trace_interpreted_method(uint32_t addr, int call_type); 146 147 extern const char *trace_filename; 148 extern int tracing; 149 extern int trace_cache_miss; 150 extern int trace_all_addr; 151 152 #endif /* TRACE_H */ 153
