1 //===-- ProcessGDBRemoteLog.cpp ---------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "ProcessGDBRemoteLog.h" 11 12 #include "lldb/Interpreter/Args.h" 13 #include "lldb/Core/StreamFile.h" 14 15 #include "ProcessGDBRemote.h" 16 17 using namespace lldb; 18 using namespace lldb_private; 19 20 21 // We want to avoid global constructors where code needs to be run so here we 22 // control access to our static g_log_sp by hiding it in a singleton function 23 // that will construct the static g_lob_sp the first time this function is 24 // called. 25 static LogSP & 26 GetLog () 27 { 28 static LogSP g_log_sp; 29 return g_log_sp; 30 } 31 32 LogSP 33 ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (uint32_t mask) 34 { 35 LogSP log(GetLog ()); 36 if (log && mask) 37 { 38 uint32_t log_mask = log->GetMask().Get(); 39 if ((log_mask & mask) != mask) 40 return LogSP(); 41 } 42 return log; 43 } 44 45 void 46 ProcessGDBRemoteLog::DisableLog (const char **categories, Stream *feedback_strm) 47 { 48 LogSP log (GetLog ()); 49 if (log) 50 { 51 uint32_t flag_bits = 0; 52 53 if (categories[0] != NULL) 54 { 55 flag_bits = log->GetMask().Get(); 56 for (size_t i = 0; categories[i] != NULL; ++i) 57 { 58 const char *arg = categories[i]; 59 60 61 if (::strcasecmp (arg, "all") == 0 ) flag_bits &= ~GDBR_LOG_ALL; 62 else if (::strcasecmp (arg, "async") == 0 ) flag_bits &= ~GDBR_LOG_ASYNC; 63 else if (::strncasecmp (arg, "break", 5) == 0 ) flag_bits &= ~GDBR_LOG_BREAKPOINTS; 64 else if (::strncasecmp (arg, "comm", 4) == 0 ) flag_bits &= ~GDBR_LOG_COMM; 65 else if (::strcasecmp (arg, "default") == 0 ) flag_bits &= ~GDBR_LOG_DEFAULT; 66 else if (::strcasecmp (arg, "packets") == 0 ) flag_bits &= ~GDBR_LOG_PACKETS; 67 else if (::strcasecmp (arg, "memory") == 0 ) flag_bits &= ~GDBR_LOG_MEMORY; 68 else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits &= ~GDBR_LOG_MEMORY_DATA_SHORT; 69 else if (::strcasecmp (arg, "data-long") == 0 ) flag_bits &= ~GDBR_LOG_MEMORY_DATA_LONG; 70 else if (::strcasecmp (arg, "process") == 0 ) flag_bits &= ~GDBR_LOG_PROCESS; 71 else if (::strcasecmp (arg, "step") == 0 ) flag_bits &= ~GDBR_LOG_STEP; 72 else if (::strcasecmp (arg, "thread") == 0 ) flag_bits &= ~GDBR_LOG_THREAD; 73 else if (::strcasecmp (arg, "verbose") == 0 ) flag_bits &= ~GDBR_LOG_VERBOSE; 74 else if (::strncasecmp (arg, "watch", 5) == 0 ) flag_bits &= ~GDBR_LOG_WATCHPOINTS; 75 else 76 { 77 feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); 78 ListLogCategories (feedback_strm); 79 } 80 81 } 82 } 83 84 if (flag_bits == 0) 85 GetLog ().reset(); 86 else 87 log->GetMask().Reset (flag_bits); 88 } 89 90 return; 91 } 92 93 LogSP 94 ProcessGDBRemoteLog::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, const char **categories, Stream *feedback_strm) 95 { 96 // Try see if there already is a log - that way we can reuse its settings. 97 // We could reuse the log in toto, but we don't know that the stream is the same. 98 uint32_t flag_bits = 0; 99 LogSP log(GetLog ()); 100 if (log) 101 flag_bits = log->GetMask().Get(); 102 103 // Now make a new log with this stream if one was provided 104 if (log_stream_sp) 105 { 106 log.reset (new Log(log_stream_sp)); 107 GetLog () = log; 108 } 109 110 if (log) 111 { 112 bool got_unknown_category = false; 113 for (size_t i=0; categories[i] != NULL; ++i) 114 { 115 const char *arg = categories[i]; 116 117 if (::strcasecmp (arg, "all") == 0 ) flag_bits |= GDBR_LOG_ALL; 118 else if (::strcasecmp (arg, "async") == 0 ) flag_bits |= GDBR_LOG_ASYNC; 119 else if (::strncasecmp (arg, "break", 5) == 0 ) flag_bits |= GDBR_LOG_BREAKPOINTS; 120 else if (::strncasecmp (arg, "comm", 4) == 0 ) flag_bits |= GDBR_LOG_COMM; 121 else if (::strcasecmp (arg, "default") == 0 ) flag_bits |= GDBR_LOG_DEFAULT; 122 else if (::strcasecmp (arg, "packets") == 0 ) flag_bits |= GDBR_LOG_PACKETS; 123 else if (::strcasecmp (arg, "memory") == 0 ) flag_bits |= GDBR_LOG_MEMORY; 124 else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits |= GDBR_LOG_MEMORY_DATA_SHORT; 125 else if (::strcasecmp (arg, "data-long") == 0 ) flag_bits |= GDBR_LOG_MEMORY_DATA_LONG; 126 else if (::strcasecmp (arg, "process") == 0 ) flag_bits |= GDBR_LOG_PROCESS; 127 else if (::strcasecmp (arg, "step") == 0 ) flag_bits |= GDBR_LOG_STEP; 128 else if (::strcasecmp (arg, "thread") == 0 ) flag_bits |= GDBR_LOG_THREAD; 129 else if (::strcasecmp (arg, "verbose") == 0 ) flag_bits |= GDBR_LOG_VERBOSE; 130 else if (::strncasecmp (arg, "watch", 5) == 0 ) flag_bits |= GDBR_LOG_WATCHPOINTS; 131 else 132 { 133 feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); 134 if (got_unknown_category == false) 135 { 136 got_unknown_category = true; 137 ListLogCategories (feedback_strm); 138 } 139 } 140 } 141 if (flag_bits == 0) 142 flag_bits = GDBR_LOG_DEFAULT; 143 log->GetMask().Reset(flag_bits); 144 log->GetOptions().Reset(log_options); 145 } 146 return log; 147 } 148 149 void 150 ProcessGDBRemoteLog::ListLogCategories (Stream *strm) 151 { 152 strm->Printf ("Logging categories for '%s':\n" 153 " all - turn on all available logging categories\n" 154 " async - log asynchronous activity\n" 155 " break - log breakpoints\n" 156 " communication - log communication activity\n" 157 " default - enable the default set of logging categories for liblldb\n" 158 " packets - log gdb remote packets\n" 159 " memory - log memory reads and writes\n" 160 " data-short - log memory bytes for memory reads and writes for short transactions only\n" 161 " data-long - log memory bytes for memory reads and writes for all transactions\n" 162 " process - log process events and activities\n" 163 " thread - log thread events and activities\n" 164 " step - log step related activities\n" 165 " verbose - enable verbose logging\n" 166 " watch - log watchpoint related activities\n", ProcessGDBRemote::GetPluginNameStatic()); 167 } 168 169 170 void 171 ProcessGDBRemoteLog::LogIf (uint32_t mask, const char *format, ...) 172 { 173 LogSP log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (mask)); 174 if (log) 175 { 176 va_list args; 177 va_start (args, format); 178 log->VAPrintf (format, args); 179 va_end (args); 180 } 181 } 182