lldb-log.cpp revision d5f76bbe035329cb4270d1462bd052204228af94
1//===-- lldb-log.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 "lldb/lldb-private-log.h" 11 12// C Includes 13// C++ Includes 14// Other libraries and framework includes 15// Project includes 16#include "lldb/Interpreter/Args.h" 17#include "lldb/Core/Log.h" 18#include "lldb/Core/StreamFile.h" 19#include <string.h> 20 21using namespace lldb; 22using namespace lldb_private; 23 24 25// We want to avoid global constructors where code needs to be run so here we 26// control access to our static g_log_sp by hiding it in a singleton function 27// that will construct the static g_lob_sp the first time this function is 28// called. 29static LogSP & 30GetLog () 31{ 32 static LogSP g_log_sp; 33 return g_log_sp; 34} 35 36uint32_t 37lldb_private::GetLogMask () 38{ 39 LogSP log(GetLog ()); 40 if (log) 41 return log->GetMask().Get(); 42 return 0; 43} 44 45bool 46lldb_private::IsLogVerbose () 47{ 48 uint32_t mask = GetLogMask(); 49 return (mask & LIBLLDB_LOG_VERBOSE); 50} 51 52LogSP 53lldb_private::GetLogIfAllCategoriesSet (uint32_t mask) 54{ 55 LogSP log(GetLog ()); 56 if (log && mask) 57 { 58 uint32_t log_mask = log->GetMask().Get(); 59 if ((log_mask & mask) != mask) 60 return LogSP(); 61 } 62 return log; 63} 64 65void 66lldb_private::LogIfAllCategoriesSet (uint32_t mask, const char *format, ...) 67{ 68 LogSP log(GetLogIfAllCategoriesSet (mask)); 69 if (log) 70 { 71 va_list args; 72 va_start (args, format); 73 log->VAPrintf (format, args); 74 va_end (args); 75 } 76} 77 78void 79lldb_private::LogIfAnyCategoriesSet (uint32_t mask, const char *format, ...) 80{ 81 LogSP log(GetLogIfAnyCategoriesSet (mask)); 82 if (log) 83 { 84 va_list args; 85 va_start (args, format); 86 log->VAPrintf (format, args); 87 va_end (args); 88 } 89} 90 91LogSP 92lldb_private::GetLogIfAnyCategoriesSet (uint32_t mask) 93{ 94 LogSP log(GetLog ()); 95 if (log && mask && (mask & log->GetMask().Get())) 96 return log; 97 return LogSP(); 98} 99 100void 101lldb_private::DisableLog (Args &args, Stream *feedback_strm) 102{ 103 LogSP log(GetLog ()); 104 105 if (log) 106 { 107 uint32_t flag_bits = 0; 108 const size_t argc = args.GetArgumentCount (); 109 if (argc > 0) 110 { 111 flag_bits = log->GetMask().Get(); 112 for (size_t i = 0; i < argc; ++i) 113 { 114 const char *arg = args.GetArgumentAtIndex (i); 115 116 if (0 == ::strcasecmp(arg, "all")) flag_bits &= ~LIBLLDB_LOG_ALL; 117 else if (0 == ::strcasecmp(arg, "api")) flag_bits &= ~LIBLLDB_LOG_API; 118 else if (0 == ::strncasecmp(arg, "break", 5)) flag_bits &= ~LIBLLDB_LOG_BREAKPOINTS; 119 else if (0 == ::strcasecmp(arg, "commands")) flag_bits &= ~LIBLLDB_LOG_COMMANDS; 120 else if (0 == ::strcasecmp(arg, "default")) flag_bits &= ~LIBLLDB_LOG_DEFAULT; 121 else if (0 == ::strcasecmp(arg, "dyld")) flag_bits &= ~LIBLLDB_LOG_DYNAMIC_LOADER; 122 else if (0 == ::strncasecmp(arg, "event", 5)) flag_bits &= ~LIBLLDB_LOG_EVENTS; 123 else if (0 == ::strncasecmp(arg, "expr", 4)) flag_bits &= ~LIBLLDB_LOG_EXPRESSIONS; 124 else if (0 == ::strncasecmp(arg, "object", 6)) flag_bits &= ~LIBLLDB_LOG_OBJECT; 125 else if (0 == ::strcasecmp(arg, "process")) flag_bits &= ~LIBLLDB_LOG_PROCESS; 126 else if (0 == ::strcasecmp(arg, "script")) flag_bits &= ~LIBLLDB_LOG_SCRIPT; 127 else if (0 == ::strcasecmp(arg, "state")) flag_bits &= ~LIBLLDB_LOG_STATE; 128 else if (0 == ::strcasecmp(arg, "step")) flag_bits &= ~LIBLLDB_LOG_STEP; 129 else if (0 == ::strcasecmp(arg, "thread")) flag_bits &= ~LIBLLDB_LOG_THREAD; 130 else if (0 == ::strcasecmp(arg, "verbose")) flag_bits &= ~LIBLLDB_LOG_VERBOSE; 131 else if (0 == ::strncasecmp(arg, "watch", 5)) flag_bits &= ~LIBLLDB_LOG_WATCHPOINTS; 132 else if (0 == ::strncasecmp(arg, "temp", 4)) flag_bits &= ~LIBLLDB_LOG_TEMPORARY; 133 else if (0 == ::strncasecmp(arg, "comm", 4)) flag_bits &= ~LIBLLDB_LOG_COMMUNICATION; 134 else if (0 == ::strncasecmp(arg, "conn", 4)) flag_bits &= ~LIBLLDB_LOG_CONNECTION; 135 else if (0 == ::strncasecmp(arg, "host", 4)) flag_bits &= ~LIBLLDB_LOG_HOST; 136 else if (0 == ::strncasecmp(arg, "unwind", 6)) flag_bits &= ~LIBLLDB_LOG_UNWIND; 137 else 138 { 139 feedback_strm->Printf ("error: unrecognized log category '%s'\n", arg); 140 ListLogCategories (feedback_strm); 141 return; 142 } 143 144 } 145 } 146 if (flag_bits == 0) 147 GetLog ().reset(); 148 else 149 log->GetMask().Reset (flag_bits); 150 } 151 152 return; 153} 154 155LogSP 156lldb_private::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, Args &args, Stream *feedback_strm) 157{ 158 // Try see if there already is a log - that way we can reuse its settings. 159 // We could reuse the log in toto, but we don't know that the stream is the same. 160 uint32_t flag_bits; 161 LogSP log(GetLog ()); 162 if (log) 163 flag_bits = log->GetMask().Get(); 164 else 165 flag_bits = 0; 166 167 // Now make a new log with this stream if one was provided 168 if (log_stream_sp) 169 { 170 log = make_shared<Log>(log_stream_sp); 171 GetLog () = log; 172 } 173 174 if (log) 175 { 176 bool got_unknown_category = false; 177 const size_t argc = args.GetArgumentCount(); 178 for (size_t i=0; i<argc; ++i) 179 { 180 const char *arg = args.GetArgumentAtIndex(i); 181 182 if (0 == ::strcasecmp(arg, "all")) flag_bits |= LIBLLDB_LOG_ALL; 183 else if (0 == ::strcasecmp(arg, "api")) flag_bits |= LIBLLDB_LOG_API; 184 else if (0 == ::strncasecmp(arg, "break", 5)) flag_bits |= LIBLLDB_LOG_BREAKPOINTS; 185 else if (0 == ::strcasecmp(arg, "commands")) flag_bits |= LIBLLDB_LOG_COMMANDS; 186 else if (0 == ::strcasecmp(arg, "default")) flag_bits |= LIBLLDB_LOG_DEFAULT; 187 else if (0 == ::strcasecmp(arg, "dyld")) flag_bits |= LIBLLDB_LOG_DYNAMIC_LOADER; 188 else if (0 == ::strncasecmp(arg, "event", 5)) flag_bits |= LIBLLDB_LOG_EVENTS; 189 else if (0 == ::strncasecmp(arg, "expr", 4)) flag_bits |= LIBLLDB_LOG_EXPRESSIONS; 190 else if (0 == ::strncasecmp(arg, "object", 6)) flag_bits |= LIBLLDB_LOG_OBJECT; 191 else if (0 == ::strcasecmp(arg, "process")) flag_bits |= LIBLLDB_LOG_PROCESS; 192 else if (0 == ::strcasecmp(arg, "script")) flag_bits |= LIBLLDB_LOG_SCRIPT; 193 else if (0 == ::strcasecmp(arg, "state")) flag_bits |= LIBLLDB_LOG_STATE; 194 else if (0 == ::strcasecmp(arg, "step")) flag_bits |= LIBLLDB_LOG_STEP; 195 else if (0 == ::strcasecmp(arg, "thread")) flag_bits |= LIBLLDB_LOG_THREAD; 196 else if (0 == ::strcasecmp(arg, "verbose")) flag_bits |= LIBLLDB_LOG_VERBOSE; 197 else if (0 == ::strncasecmp(arg, "watch", 5)) flag_bits |= LIBLLDB_LOG_WATCHPOINTS; 198 else if (0 == ::strncasecmp(arg, "temp", 4)) flag_bits |= LIBLLDB_LOG_TEMPORARY; 199 else if (0 == ::strncasecmp(arg, "comm", 4)) flag_bits |= LIBLLDB_LOG_COMMUNICATION; 200 else if (0 == ::strncasecmp(arg, "conn", 4)) flag_bits |= LIBLLDB_LOG_CONNECTION; 201 else if (0 == ::strncasecmp(arg, "host", 4)) flag_bits |= LIBLLDB_LOG_HOST; 202 else if (0 == ::strncasecmp(arg, "unwind", 6)) flag_bits |= LIBLLDB_LOG_UNWIND; 203 else 204 { 205 feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); 206 if (got_unknown_category == false) 207 { 208 got_unknown_category = true; 209 ListLogCategories (feedback_strm); 210 return log; 211 } 212 } 213 } 214 215 log->GetMask().Reset(flag_bits); 216 log->GetOptions().Reset(log_options); 217 } 218 return log; 219} 220 221 222void 223lldb_private::ListLogCategories (Stream *strm) 224{ 225 strm->Printf("Logging categories for 'lldb':\n" 226 "\tall - turn on all available logging categories\n" 227 "\tapi - enable logging of API calls and return values\n" 228 "\tdefault - enable the default set of logging categories for liblldb\n" 229 "\tbreak - log breakpoints\n" 230 "\tevents - log broadcaster, listener and event queue activities\n" 231 "\texpr - log expressions\n" 232 "\tobject - log object construction/destruction for important objects\n" 233 "\tprocess - log process events and activities\n" 234 "\tthread - log thread events and activities\n" 235 "\tscript - log events about the script interpreter\n" 236 "\tshlib - log shared library related activities\n" 237 "\tstate - log private and public process state changes\n" 238 "\tstep - log step related activities\n" 239 "\tunwind - log stack unwind activities\n" 240 "\tverbose - enable verbose logging\n" 241 "\twatch - log watchpoint related activities\n"); 242} 243