| //===-- lldb-log.cpp --------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/lldb-private-log.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Interpreter/Args.h" |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/StreamFile.h" |
| #include <string.h> |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| |
| // We want to avoid global constructors where code needs to be run so here we |
| // control access to our static g_log_sp by hiding it in a singleton function |
| // that will construct the static g_lob_sp the first time this function is |
| // called. |
| |
| static bool g_log_enabled = false; |
| static Log * g_log = NULL; |
| static Log * |
| GetLog () |
| { |
| if (!g_log_enabled) |
| return NULL; |
| return g_log; |
| } |
| |
| uint32_t |
| lldb_private::GetLogMask () |
| { |
| Log *log(GetLog ()); |
| if (log) |
| return log->GetMask().Get(); |
| return 0; |
| } |
| |
| bool |
| lldb_private::IsLogVerbose () |
| { |
| uint32_t mask = GetLogMask(); |
| return (mask & LIBLLDB_LOG_VERBOSE); |
| } |
| |
| Log * |
| lldb_private::GetLogIfAllCategoriesSet (uint32_t mask) |
| { |
| Log *log(GetLog ()); |
| if (log && mask) |
| { |
| uint32_t log_mask = log->GetMask().Get(); |
| if ((log_mask & mask) != mask) |
| return NULL; |
| } |
| return log; |
| } |
| |
| void |
| lldb_private::LogIfAllCategoriesSet (uint32_t mask, const char *format, ...) |
| { |
| Log *log(GetLogIfAllCategoriesSet (mask)); |
| if (log) |
| { |
| va_list args; |
| va_start (args, format); |
| log->VAPrintf (format, args); |
| va_end (args); |
| } |
| } |
| |
| void |
| lldb_private::LogIfAnyCategoriesSet (uint32_t mask, const char *format, ...) |
| { |
| Log *log(GetLogIfAnyCategoriesSet (mask)); |
| if (log) |
| { |
| va_list args; |
| va_start (args, format); |
| log->VAPrintf (format, args); |
| va_end (args); |
| } |
| } |
| |
| Log * |
| lldb_private::GetLogIfAnyCategoriesSet (uint32_t mask) |
| { |
| Log *log(GetLog ()); |
| if (log && mask && (mask & log->GetMask().Get())) |
| return log; |
| return NULL; |
| } |
| |
| void |
| lldb_private::DisableLog (const char **categories, Stream *feedback_strm) |
| { |
| Log *log(GetLog ()); |
| |
| if (log) |
| { |
| uint32_t flag_bits = 0; |
| if (categories[0] != NULL) |
| { |
| flag_bits = log->GetMask().Get(); |
| for (size_t i = 0; categories[i] != NULL; ++i) |
| { |
| const char *arg = categories[i]; |
| |
| if (0 == ::strcasecmp(arg, "all")) flag_bits &= ~LIBLLDB_LOG_ALL; |
| else if (0 == ::strcasecmp(arg, "api")) flag_bits &= ~LIBLLDB_LOG_API; |
| else if (0 == ::strncasecmp(arg, "break", 5)) flag_bits &= ~LIBLLDB_LOG_BREAKPOINTS; |
| else if (0 == ::strcasecmp(arg, "commands")) flag_bits &= ~LIBLLDB_LOG_COMMANDS; |
| else if (0 == ::strcasecmp(arg, "default")) flag_bits &= ~LIBLLDB_LOG_DEFAULT; |
| else if (0 == ::strcasecmp(arg, "dyld")) flag_bits &= ~LIBLLDB_LOG_DYNAMIC_LOADER; |
| else if (0 == ::strncasecmp(arg, "event", 5)) flag_bits &= ~LIBLLDB_LOG_EVENTS; |
| else if (0 == ::strncasecmp(arg, "expr", 4)) flag_bits &= ~LIBLLDB_LOG_EXPRESSIONS; |
| else if (0 == ::strncasecmp(arg, "object", 6)) flag_bits &= ~LIBLLDB_LOG_OBJECT; |
| else if (0 == ::strcasecmp(arg, "process")) flag_bits &= ~LIBLLDB_LOG_PROCESS; |
| else if (0 == ::strcasecmp(arg, "script")) flag_bits &= ~LIBLLDB_LOG_SCRIPT; |
| else if (0 == ::strcasecmp(arg, "state")) flag_bits &= ~LIBLLDB_LOG_STATE; |
| else if (0 == ::strcasecmp(arg, "step")) flag_bits &= ~LIBLLDB_LOG_STEP; |
| else if (0 == ::strcasecmp(arg, "thread")) flag_bits &= ~LIBLLDB_LOG_THREAD; |
| else if (0 == ::strcasecmp(arg, "target")) flag_bits &= ~LIBLLDB_LOG_TARGET; |
| else if (0 == ::strcasecmp(arg, "verbose")) flag_bits &= ~LIBLLDB_LOG_VERBOSE; |
| else if (0 == ::strncasecmp(arg, "watch", 5)) flag_bits &= ~LIBLLDB_LOG_WATCHPOINTS; |
| else if (0 == ::strncasecmp(arg, "temp", 4)) flag_bits &= ~LIBLLDB_LOG_TEMPORARY; |
| else if (0 == ::strncasecmp(arg, "comm", 4)) flag_bits &= ~LIBLLDB_LOG_COMMUNICATION; |
| else if (0 == ::strncasecmp(arg, "conn", 4)) flag_bits &= ~LIBLLDB_LOG_CONNECTION; |
| else if (0 == ::strncasecmp(arg, "host", 4)) flag_bits &= ~LIBLLDB_LOG_HOST; |
| else if (0 == ::strncasecmp(arg, "unwind", 6)) flag_bits &= ~LIBLLDB_LOG_UNWIND; |
| else if (0 == ::strncasecmp(arg, "types", 5)) flag_bits &= ~LIBLLDB_LOG_TYPES; |
| else if (0 == ::strncasecmp(arg, "symbol", 6)) flag_bits &= ~LIBLLDB_LOG_SYMBOLS; |
| else if (0 == ::strncasecmp(arg, "module", 6)) flag_bits &= ~LIBLLDB_LOG_MODULES; |
| else if (0 == ::strncasecmp(arg, "mmap", 4)) flag_bits &= ~LIBLLDB_LOG_MMAP; |
| else if (0 == ::strcasecmp(arg, "os")) flag_bits &= ~LIBLLDB_LOG_OS; |
| else |
| { |
| feedback_strm->Printf ("error: unrecognized log category '%s'\n", arg); |
| ListLogCategories (feedback_strm); |
| return; |
| } |
| |
| } |
| } |
| log->GetMask().Reset (flag_bits); |
| if (flag_bits == 0) |
| g_log_enabled = false; |
| } |
| |
| return; |
| } |
| |
| Log * |
| lldb_private::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, const char **categories, Stream *feedback_strm) |
| { |
| // Try see if there already is a log - that way we can reuse its settings. |
| // We could reuse the log in toto, but we don't know that the stream is the same. |
| uint32_t flag_bits; |
| if (g_log) |
| flag_bits = g_log->GetMask().Get(); |
| else |
| flag_bits = 0; |
| |
| // Now make a new log with this stream if one was provided |
| if (log_stream_sp) |
| { |
| if (g_log) |
| g_log->SetStream(log_stream_sp); |
| else |
| g_log = new Log(log_stream_sp); |
| } |
| |
| if (g_log) |
| { |
| for (size_t i=0; categories[i] != NULL; ++i) |
| { |
| const char *arg = categories[i]; |
| |
| if (0 == ::strcasecmp(arg, "all")) flag_bits |= LIBLLDB_LOG_ALL; |
| else if (0 == ::strcasecmp(arg, "api")) flag_bits |= LIBLLDB_LOG_API; |
| else if (0 == ::strncasecmp(arg, "break", 5)) flag_bits |= LIBLLDB_LOG_BREAKPOINTS; |
| else if (0 == ::strcasecmp(arg, "commands")) flag_bits |= LIBLLDB_LOG_COMMANDS; |
| else if (0 == ::strcasecmp(arg, "default")) flag_bits |= LIBLLDB_LOG_DEFAULT; |
| else if (0 == ::strcasecmp(arg, "dyld")) flag_bits |= LIBLLDB_LOG_DYNAMIC_LOADER; |
| else if (0 == ::strncasecmp(arg, "event", 5)) flag_bits |= LIBLLDB_LOG_EVENTS; |
| else if (0 == ::strncasecmp(arg, "expr", 4)) flag_bits |= LIBLLDB_LOG_EXPRESSIONS; |
| else if (0 == ::strncasecmp(arg, "object", 6)) flag_bits |= LIBLLDB_LOG_OBJECT; |
| else if (0 == ::strcasecmp(arg, "process")) flag_bits |= LIBLLDB_LOG_PROCESS; |
| else if (0 == ::strcasecmp(arg, "script")) flag_bits |= LIBLLDB_LOG_SCRIPT; |
| else if (0 == ::strcasecmp(arg, "state")) flag_bits |= LIBLLDB_LOG_STATE; |
| else if (0 == ::strcasecmp(arg, "step")) flag_bits |= LIBLLDB_LOG_STEP; |
| else if (0 == ::strcasecmp(arg, "thread")) flag_bits |= LIBLLDB_LOG_THREAD; |
| else if (0 == ::strcasecmp(arg, "target")) flag_bits |= LIBLLDB_LOG_TARGET; |
| else if (0 == ::strcasecmp(arg, "verbose")) flag_bits |= LIBLLDB_LOG_VERBOSE; |
| else if (0 == ::strncasecmp(arg, "watch", 5)) flag_bits |= LIBLLDB_LOG_WATCHPOINTS; |
| else if (0 == ::strncasecmp(arg, "temp", 4)) flag_bits |= LIBLLDB_LOG_TEMPORARY; |
| else if (0 == ::strncasecmp(arg, "comm", 4)) flag_bits |= LIBLLDB_LOG_COMMUNICATION; |
| else if (0 == ::strncasecmp(arg, "conn", 4)) flag_bits |= LIBLLDB_LOG_CONNECTION; |
| else if (0 == ::strncasecmp(arg, "host", 4)) flag_bits |= LIBLLDB_LOG_HOST; |
| else if (0 == ::strncasecmp(arg, "unwind", 6)) flag_bits |= LIBLLDB_LOG_UNWIND; |
| else if (0 == ::strncasecmp(arg, "types", 5)) flag_bits |= LIBLLDB_LOG_TYPES; |
| else if (0 == ::strncasecmp(arg, "symbol", 6)) flag_bits |= LIBLLDB_LOG_SYMBOLS; |
| else if (0 == ::strncasecmp(arg, "module", 6)) flag_bits |= LIBLLDB_LOG_MODULES; |
| else if (0 == ::strncasecmp(arg, "mmap", 4)) flag_bits |= LIBLLDB_LOG_MMAP; |
| else if (0 == ::strcasecmp(arg, "os")) flag_bits |= LIBLLDB_LOG_OS; |
| else |
| { |
| feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); |
| ListLogCategories (feedback_strm); |
| return g_log; |
| } |
| } |
| |
| g_log->GetMask().Reset(flag_bits); |
| g_log->GetOptions().Reset(log_options); |
| } |
| g_log_enabled = true; |
| return g_log; |
| } |
| |
| |
| void |
| lldb_private::ListLogCategories (Stream *strm) |
| { |
| strm->Printf("Logging categories for 'lldb':\n" |
| " all - turn on all available logging categories\n" |
| " api - enable logging of API calls and return values\n" |
| " break - log breakpoints\n" |
| " commands - log command argument parsing\n" |
| " default - enable the default set of logging categories for liblldb\n" |
| " dyld - log shared library related activities\n" |
| " events - log broadcaster, listener and event queue activities\n" |
| " expr - log expressions\n" |
| " object - log object construction/destruction for important objects\n" |
| " module - log module activities such as when modules are created, detroyed, replaced, and more\n" |
| " process - log process events and activities\n" |
| " script - log events about the script interpreter\n" |
| " state - log private and public process state changes\n" |
| " step - log step related activities\n" |
| " symbol - log symbol related issues and warnings\n" |
| " target - log target events and activities\n" |
| " thread - log thread events and activities\n" |
| " types - log type system related activities\n" |
| " unwind - log stack unwind activities\n" |
| " verbose - enable verbose logging\n" |
| " watch - log watchpoint related activities\n"); |
| } |
