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 static Log* g_log = NULL; // Leak for now as auto_ptr was being cleaned up 22 // by global constructors before other threads 23 // were done with it. 24 Log * 25 ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (uint32_t mask) 26 { 27 Log *log = g_log; 28 if (log && mask) 29 { 30 uint32_t log_mask = log->GetMask().GetAllFlagBits(); 31 if ((log_mask & mask) != mask) 32 return NULL; 33 } 34 return log; 35 } 36 37 void 38 ProcessGDBRemoteLog::DisableLog () 39 { 40 if (g_log) 41 { 42 delete g_log; 43 g_log = NULL; 44 } 45 } 46 47 Log * 48 ProcessGDBRemoteLog::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, Args &args, Stream *feedback_strm) 49 { 50 DisableLog (); 51 g_log = new Log (log_stream_sp); 52 if (g_log) 53 { 54 uint32_t flag_bits = 0; 55 bool got_unknown_category = false; 56 const size_t argc = args.GetArgumentCount(); 57 for (size_t i=0; i<argc; ++i) 58 { 59 const char *arg = args.GetArgumentAtIndex(i); 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 (::strcasestr (arg, "break") == arg ) flag_bits |= GDBR_LOG_BREAKPOINTS; 64 else if (::strcasestr (arg, "comm") == arg ) 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 (::strcasestr (arg, "watch") == arg ) flag_bits |= GDBR_LOG_WATCHPOINTS; 75 else 76 { 77 feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); 78 if (got_unknown_category == false) 79 { 80 got_unknown_category = true; 81 ListLogCategories (feedback_strm); 82 } 83 } 84 } 85 if (flag_bits == 0) 86 flag_bits = GDBR_LOG_DEFAULT; 87 g_log->GetMask().SetAllFlagBits(flag_bits); 88 g_log->GetOptions().SetAllFlagBits(log_options); 89 } 90 return g_log; 91 } 92 93 void 94 ProcessGDBRemoteLog::ListLogCategories (Stream *strm) 95 { 96 strm->Printf("Logging categories for '%s':\n" 97 "\tall - turn on all available logging categories\n" 98 "\tasync - log asynchronous activity\n" 99 "\tbreak - log breakpoints\n" 100 "\tcommunication - log communication activity\n" 101 "\tdefault - enable the default set of logging categories for liblldb\n" 102 "\tpackets - log gdb remote packets\n" 103 "\tmemory - log memory reads and writes\n" 104 "\tdata-short - log memory bytes for memory reads and writes for short transactions only\n" 105 "\tdata-long - log memory bytes for memory reads and writes for all transactions\n" 106 "\tprocess - log process events and activities\n" 107 "\tthread - log thread events and activities\n" 108 "\tstep - log step related activities\n" 109 "\tverbose - enable verbose loggging\n" 110 "\twatch - log watchpoint related activities\n", ProcessGDBRemote::GetPluginNameStatic()); 111 } 112 113 114 void 115 ProcessGDBRemoteLog::LogIf (uint32_t mask, const char *format, ...) 116 { 117 Log *log = ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (mask); 118 if (log) 119 { 120 va_list args; 121 va_start (args, format); 122 log->VAPrintf (format, args); 123 va_end (args); 124 } 125 } 126